background
  1. Home
  2. Area Code
Cities in Areacode 443
  • Annapolis
  • Arbutus
  • Arnold
  • Baltimore
  • Bel Air North
  • Bel Air South
  • Carney
  • Catonsville
  • Columbia
  • Crofton
  • Dundalk
  • Edgewood
  • Eldersburg
  • West Elkridge
  • Ellicott City
  • Essex
  • Glen Burnie
  • Lochearn
  • Middle River
  • Milford Mill
  • Odenton
  • Parkville
  • Perry Hall
  • Pikesville
  • Randallstown
  • Reisterstown
  • Salisbury
  • Severn
  • Severna Park
  • South Gate
  • Towson
PREFIX USAGE PRIMARY CITY CARRIER
443-843- LandlineHavre De Grace Verizon Maryland
443-971- LandlineTaneytown Bandwidth.com Clec
443-874- LandlineBaltimore Cavalier Telephone Mid-atlantic
443-293- LandlineWestminster Global Crossing Local Services-md
443-243- WirelessFallston Cellco Partnership DBA Verizon Wireless
443-710- LandlineBaltimore Xo Maryland
443-336- WirelessAnnapolis Sprint Spectrum L.p.
443-830- LandlineCatonsville Cavalier Telephone Mid-atlantic
443-913- WirelessBaltimore Sprint Spectrum L.p.
443-315- LandlineBaltimore Global Crossing Local Services-md
443-878- LandlineBaltimore Cellco Partnership DBA Verizon Wireless
443-412- LandlineChurchville Teleport Communications America
443-666- WirelessChestertown Level 3 Communications
443-431- LandlineRandallstown Xo Maryland
443-947- LandlinePerryville Ctc Communications Corp.
443-722- WirelessBaltimore Omnipoint Communications Cap Operations
443-426- LandlineBaltimore Paetec Communications
443-403- LandlineAberdeen Broadwing Communications. LLC
443-751- LandlineWoodlawn Cavalier Telephone Mid-atlantic
443-773- LandlineBaltimore Allegiance Telecom
443-267- LandlineDarlington Teleport Communications America
443-269- LandlineTowson Xo Maryland
443-641- LandlinePikesville Broadwing Communications. LLC
443-304- LandlineBaltimore Global Crossing Local Services-md
443-308- LandlineBaltimore Allegiance Telecom
443-553- WirelessElkton Cellco Partnership DBA Verizon Wireless
443-446- LandlineQueenstown Mci Worldcom Communications
443-238- LandlineParkton Ctc Communications Corp.
443-339- LandlineSherwood Forest Ctc Communications Corp.
443-944- LandlineSalisbury Comcast Phone Of Northern Maryland
443-741- LandlineColumbia Mci Worldcom Communications
443-334- LandlineTowson Allegiance Telecom
443-291- LandlineHampstead Global Crossing Local Services-md
443-648- LandlineBaltimore Teleport Communications America
443-314- WirelessBaltimore Sprint Spectrum L.p.
443-931- LandlineBaltimore Mci Worldcom Communications
443-686- WirelessFallston Sprint Spectrum L.p.
443-572- LandlineGlen Burnie Verizon Maryland
443-720- LandlineElkton Xo Maryland
443-644- LandlineJarrettsville Ctc Communications Corp.
443-318- LandlineCockeysville Cavalier Telephone (mid-atlantic)
443-622- WirelessBaltimore Sprint Spectrum L.p.
443-285- LandlineColumbia Verizon Maryland
443-331- LandlineTaneytown Ctc Communications Corp.
443-563- WirelessBaltimore Sprint Spectrum L.p.
443-300- LandlineSykesville Broadwing Communications. LLC
443-922- LandlineEdgewood Atx Telecommunications Services, Ltd
443-322- LandlineTowson Cavalier Telephone Mid-atlantic
443-756- WirelessBaltimore New Cingular Wireless PCS - DC
443-518- LandlineColumbia Verizon Maryland
443-276- LandlineBaltimore Allegiance Telecom
443-382- LandlineCambridge Core Communications
443-321- LandlineAnnapolis Paetec Communications
443-818- LandlinePasadena Level 3 Communications
443-595- LandlineSparks Glencoe Global Crossing Local Services-md
443-570- WirelessBaltimore Omnipoint Communications Cap Operations
443-221- LandlineAnnapolis Level 3 Communications
443-780- LandlineColumbia Us Lec Of Maryland
443-879- LandlineBaltimore Verizon Maryland
443-208- LandlineEssex Sprint Spectrum L.p.
443-859- WirelessSalisbury Omnipoint Communications Cap Operations
443-832- LandlineBaltimore Level 3 Communications
443-459- LandlineBaltimore Paetec Communications
443-590- LandlineReisterstown Global Crossing Local Services-md
443-471- LandlineColumbia Us Lec Of Maryland
443-453- LandlineBaltimore Neutral Tandem-maryland
443-408- LandlineBaltimore Xo Maryland
443-883- LandlineBaltimore AT&T Local
443-349- LandlineWestminster Core Communications
443-351- LandlineColumbia Us Lec Of Maryland
443-636- LandlineCatonsville Omnipoint Communications Cap Operations
443-635- WirelessBaltimore Leap Wireless Intl DBA Cricket Comm
443-792- LandlineBrooklyn Verizon Maryland
443-963- WirelessBaltimore Halo Wireless Services
443-763- LandlineBaltimore Omnipoint Communications Cap Operations
443-402- LandlineEdgewood Teleport Communications America
443-629- WirelessBaltimore Sprint Spectrum L.p.
443-323- LandlineRhodesdale Cavalier Telephone (mid-atlantic)
443-585- LandlineDarlington Ctc Communications Corp.
443-868- LandlineBaltimore Verizon Maryland
443-463- WirelessBaltimore Sprint Spectrum L.p.
443-442- LandlineParkville Cavalier Telephone Mid-atlantic
443-748- LandlineMillersville Cavalier Telephone Mid-atlantic
443-737- LandlineBaltimore Paetec Communications
443-645- LandlineMillersville Ctc Communications Corp.
443-202- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-951- LandlineAnnapolis Global Crossing Local Services-md
443-540- WirelessBaltimore New Cingular Wireless PCS - DC
443-232- LandlineWillards Cavalier Telephone (mid-atlantic)
443-867- LandlineGlen Burnie Paetec Communications
443-749- LandlineBaltimore Cavalier Telephone Mid-atlantic
443-444- LandlineBaltimore Verizon Maryland
443-828- LandlineEllicott City Cavalier Telephone Mid-atlantic
443-634- LandlineOdenton Verizon Maryland
443-333- WirelessAnnapolis Leap Wireless Intl DBA Cricket Comm
443-229- LandlineSeverna Park Cavalier Telephone Mid-atlantic
443-344- LandlineSeverna Park Core Communications
443-290- LandlineParkville Tw Telecom Of Maryland LLC
443-584- LandlineCrofton Ctc Communications Corp.
443-956- WirelessBaltimore New Cingular Wireless PCS - DC
443-853- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-255- WirelessBaltimore New Cingular Wireless PCS - DC
443-940- LandlinePikesville Cavalier Telephone Mid-atlantic
443-652- LandlineTowson Verizon Maryland
443-904- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-393- LandlineBaltimore Global Crossing Local Services-md
443-586- LandlineDundalk Xo Maryland
443-429- LandlineWoodlawn Cavalier Telephone Mid-atlantic
443-328- LandlineSykesville Ctc Communications Corp.
443-254- WirelessAnnapolis Omnipoint Communications Cap Operations
443-675- LandlineRandallstown Cavalier Telephone (mid-atlantic)
443-889- WirelessGlen Burnie Omnipoint Communications Cap Operations
443-997- LandlineBaltimore Verizon Maryland
443-664- LandlineOcean City Cavalier Telephone (mid-atlantic)
443-364- LandlineBaltimore Teleport Communications America
443-498- LandlineBaltimore Allegiance Telecom
443-397- WirelessSalisbury Cellco Partnership DBA Verizon Wireless
443-222- LandlineReisterstown Xo Maryland
443-568- LandlineArbutus Allegiance Telecom
443-799- WirelessBaltimore New Cingular Wireless PCS - DC
443-560- WirelessBaltimore Sprint Spectrum L.p.
443-884- LandlineBaltimore Cavalier Telephone Mid-atlantic
443-609- LandlineSykesville Cavalier Telephone Mid-atlantic
443-398- WirelessSykesville Sprint Spectrum L.p.
443-266- LandlineGlenwood Global Crossing Local Services-md
443-968- WirelessPrince Frederick New Cingular Wireless PCS - DC
443-481- LandlineAnnapolis Us Lec Of Maryland
443-986- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-217- LandlineAnnapolis Core Communications
443-744- WirelessReisterstown Sprint Spectrum L.p.
443-233- LandlineMardela Springs Cavalier Telephone (mid-atlantic)
443-699- WirelessAnnapolis Cellco Partnership DBA Verizon Wireless
443-918- LandlineTaneytown Teleport Communications America
443-401- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-895- WirelessTowson Cellco Partnership DBA Verizon Wireless
443-929- WirelessPikesville Omnipoint Communications Cap Operations
443-535- LandlineColumbia Verizon Maryland
443-224- LandlineBaltimore Mci Worldcom Communications
443-855- LandlineAberdeen Lightwave Communications
443-886- LandlineBaltimore AT&T Local
443-510- WirelessAnnapolis Cellco Partnership DBA Verizon Wireless
443-562- WirelessBaltimore New Cingular Wireless PCS - DC
443-939- WirelessBaltimore Omnipoint Communications Cap Operations
443-729- LandlineBaltimore Paetec Communications
443-494- LandlineMillersville Global Crossing Local Services-md
443-928- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-869- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-583- LandlineColumbia Ctc Communications Corp.
443-414- WirelessBaltimore Sprint Spectrum L.p.
443-637- LandlineBaltimore Xo Maryland
443-841- LandlineBaltimore Verizon Maryland
443-941- WirelessElkton New Cingular Wireless PCS - DC
443-523- LandlineSalisbury Verizon Maryland
443-517- LandlineBaltimore Global Crossing Local Services-md
443-908- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-422- WirelessGlen Burnie Leap Wireless Intl DBA Cricket Comm
443-359- WirelessDelmar Cellco Partnership DBA Verizon Wireless
443-601- LandlineFallston Ctc Communications Corp.
443-782- LandlineAnnapolis Xo Maryland
443-423- LandlineBaltimore Broadwing Communications. LLC
443-964- LandlineNorth Beach Level 3 Communications
443-473- WirelessBaltimore Sprint Spectrum L.p.
443-250- WirelessBaltimore Sprint Spectrum L.p.
443-714- LandlineColumbia Sprint Spectrum L.p.
443-253- WirelessBaltimore New Cingular Wireless PCS - DC
443-305- LandlineBaltimore Global Crossing Local Services-md
443-948- WirelessBaltimore Sprint Spectrum L.p.
443-522- LandlineReisterstown Paetec Communications
443-461- LandlineParkville Us Lec Of Maryland
443-271- WirelessBaltimore Sprint Spectrum L.p.
443-275- LandlineBaltimore Comcast Phone Of Northern Maryland
443-800- WirelessBaltimore Sprint Spectrum L.p.
443-616- LandlineBel Air Cavalier Telephone Mid-atlantic
443-695- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-366- WirelessSalisbury Sprint Spectrum L.p.
443-617- WirelessFallston Cellco Partnership DBA Verizon Wireless
443-449- LandlineBaltimore Broadview Networks
443-831- WirelessBaltimore New Cingular Wireless PCS - DC
443-802- WirelessBaltimore Sprint Spectrum L.p.
443-795- LandlineBaltimore Xo Maryland
443-847- WirelessTowson Cellco Partnership DBA Verizon Wireless
443-465- WirelessTowson Cellco Partnership DBA Verizon Wireless
443-715- LandlineNorth East Cavalier Telephone (mid-atlantic)
443-927- LandlineBaltimore Broadwing Communications. LLC
443-779- LandlineAberdeen Xo Maryland
443-650- LandlineReisterstown Allegiance Telecom
443-374- LandlineAberdeen Cavalier Telephone (mid-atlantic)
443-400- LandlineBaltimore Xo Maryland
443-346- LandlineSeverna Park Xo Maryland
443-660- LandlineBaltimore Comcast Phone Of Northern Maryland
443-717- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-342- LandlineSolomons Ctc Communications Corp.
443-753- LandlineJessup Allegiance Telecom
443-388- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-270- LandlineBaltimore Paetec Communications
443-237- LandlineNorth Beach Core Communications
443-282- WirelessChestertown Sprint Spectrum L.p.
443-887- LandlineHarmans Cavalier Telephone Mid-atlantic
443-976- Unknown Baltimore-washington Telephone (bwt)
443-752- LandlineBel Air Cellco Partnership DBA Verizon Wireless
443-272- LandlineBaltimore Teleport Communications America
443-457- LandlineBaltimore Teleport Communications America
443-957- LandlineBaltimore AT&T Local
443-694- WirelessSeverna Park Sprint Spectrum L.p.
443-707- Unknown Local Access LLC
443-256- LandlineNorth East Ctc Communications Corp.
443-871- WirelessAnnapolis Sprint Spectrum L.p.
443-696- LandlineDundalk Cavalier Telephone Mid-atlantic
443-225- LandlineCambridge Sprint Spectrum L.p.
443-612- LandlineCatonsville Verizon Maryland
443-739- WirelessBaltimore Omnipoint Communications Cap Operations
443-469- WirelessBaltimore Leap Wireless Intl DBA Cricket Comm
443-367- LandlineColumbia Verizon Maryland
443-914- LandlineReisterstown Teleport Communications America
443-574- LandlineEllicott City Us Lec Of Maryland
443-758- LandlineAnnapolis AT&T Local
443-684- WirelessPrince Frederick Cellco Partnership DBA Verizon Wireless
443-350- WirelessElkton Cellco Partnership DBA Verizon Wireless
443-649- LandlineSparrows Point Us Lec Of Maryland
443-309- WirelessElkton Sprint Spectrum L.p.
443-787- LandlineBel Air Ctc Communications Corp.
443-829- WirelessBaltimore Sprint Spectrum L.p.
443-750- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-924- WirelessAnnapolis Cellco Partnership DBA Verizon Wireless
443-521- WirelessCambridge Cellco Partnership DBA Verizon Wireless
443-445- LandlineElkridge Verizon Maryland
443-361- LandlineSykesville Core Communications
443-262- LandlineCentreville Verizon Maryland
443-808- LandlineAnnapolis Bandwidth.com Clec
443-516- LandlineSykesville Global Crossing Local Services-md
443-663- LandlineWoodlawn Verizon Maryland
443-416- WirelessBaltimore Sprint Spectrum L.p.
443-573- LandlineColumbia Us Lec Of Maryland
443-567- LandlineBel Air Level 3 Communications
443-626- LandlineMiddle River Cavalier Telephone Mid-atlantic
443-631- WirelessCatonsville New Cingular Wireless PCS - DC
443-906- LandlineSeverna Park Peerless Network Of Maryland
443-362- WirelessEaston Omnipoint Communications Cap Operations
443-204- WirelessPikesville New Cingular Wireless PCS - DC
443-227- LandlinePort Deposit Ctc Communications Corp.
443-642- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-946- LandlineParkville Xo Maryland
443-504- LandlineFallston Cavalier Telephone Mid-atlantic
443-310- WirelessBaltimore New Cingular Wireless PCS - DC
443-807- WirelessFallston Sprint Spectrum L.p.
443-823- WirelessTowson Cellco Partnership DBA Verizon Wireless
443-478- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-932- WirelessBaltimore Sprint Spectrum L.p.
443-524- LandlineBaltimore Allegiance Telecom
443-447- WirelessBaltimore Leap Wireless Intl DBA Cricket Comm
443-935- WirelessTowson New Cingular Wireless PCS - DC
443-915- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-625- LandlineFork Broadwing Communications. LLC
443-774- LandlineBaltimore Global Naps South
443-542- LandlineColumbia Comcast Phone Of Northern Maryland
443-303- LandlineAberdeen Global Crossing Local Services-md
443-930- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-245- LandlineElkton Cavalier Telephone (mid-atlantic)
443-325- LandlineEllicott City Cavalier Telephone Mid-atlantic
443-558- LandlineAberdeen Xo Maryland
443-579- LandlineEssex Us Lec Of Maryland
443-876- LandlineBel Air Sprint Spectrum L.p.
443-455- LandlineBaltimore Verizon Maryland
443-630- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-594- LandlineBaltimore Global Crossing Local Services-md
443-370- LandlineAnnapolis New Cingular Wireless PCS - DC
443-324- WirelessBaltimore Sprint Spectrum L.p.
443-493- WirelessDelmar Cellco Partnership DBA Verizon Wireless
443-203- LandlineWest River Verizon Maryland
443-503- LandlineBaltimore Xo Maryland
443-670- LandlineCatonsville Cavalier Telephone Mid-atlantic
443-541- LandlineBaltimore Paetec Communications
443-677- WirelessBaltimore Sprint Spectrum L.p.
443-995- WirelessAnnapolis New Cingular Wireless PCS - DC
443-531- WirelessBaltimore Leap Wireless Intl DBA Cricket Comm
443-820- LandlineBaltimore Paetec Communications
443-480- WirelessChestertown Cellco Partnership DBA Verizon Wireless
443-982- LandlineBaltimore Ymax Communications Corp.
443-822- WirelessAnnapolis Sprint Spectrum L.p.
443-817- LandlineBaltimore Allegiance Telecom
443-399- LandlineBaltimore Global Crossing Local Services-md
443-994- WirelessAnnapolis New Cingular Wireless PCS - DC
443-933- LandlineCockeysville Teleport Communications America
443-528- WirelessBel Air Sprint Spectrum L.p.
443-768- WirelessBaltimore Sprint Spectrum L.p.
443-439- LandlineTrappe Cellco Partnership DBA Verizon Wireless
443-386- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-545- LandlineColumbia Broadwing Communications. LLC
443-728- LandlineBerlin Cavalier Telephone (mid-atlantic)
443-880- LandlineSalisbury AT&T Local
443-394- LandlinePikesville Verizon Maryland
443-391- LandlineBaltimore Global Crossing Local Services-md
443-731- LandlinePort Deposit Teleport Communications America
443-491- LandlineParkton Global Crossing Local Services-md
443-988- LandlineCentreville Level 3 Communications
443-693- LandlinePerryville Teleport Communications America
443-600- WirelessEssex Omnipoint Communications Cap Operations
443-360- LandlineAberdeen Teleport Communications America
443-890- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-762- WirelessBaltimore Sprint Spectrum L.p.
443-733- LandlineBaltimore AT&T Local
443-343- LandlineMillersville Teleport Communications America
443-651- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-743- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-734- LandlineSevern Verizon Maryland
443-486- LandlinePrince Frederick Broadwing Communications. LLC
443-764- WirelessGlen Burnie Omnipoint Communications Cap Operations
443-873- LandlinePikesville Broadvox-clec
443-845- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-239- WirelessEaston New Cingular Wireless PCS - DC
443-242- LandlineSparrows Point Cavalier Telephone Mid-atlantic
443-643- LandlineBel Air Verizon Maryland
443-260- LandlineSalisbury Verizon Maryland
443-903- WirelessBel Air Cellco Partnership DBA Verizon Wireless
443-668- WirelessCatonsville New Cingular Wireless PCS - DC
443-278- LandlineBaltimore Vdl DBA Global Telecom Brokers
443-395- LandlineAberdeen Verizon Maryland
443-348- LandlineBaltimore Teleport Communications America
443-380- LandlineBaltimore Level 3 Communications
443-825- WirelessBaltimore Omnipoint Communications Cap Operations
443-587- LandlineEdgewood Ctc Communications Corp.
443-953- WirelessSalisbury Cellco Partnership DBA Verizon Wireless
443-210- LandlineAberdeen Sprint Spectrum L.p.
443-646- LandlineNorth Beach Ctc Communications Corp.
443-424- LandlineCardiff Teleport Communications America
443-313- LandlineFork Global Crossing Local Services-md
443-546- LandlineBaltimore Verizon Maryland
443-838- WirelessBaltimore New Cingular Wireless PCS - DC
443-596- LandlineEssex Xo Maryland
443-690- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-515- WirelessCambridge Cellco Partnership DBA Verizon Wireless
443-534- LandlineAnnapolis Cellco Partnership DBA Verizon Wireless
443-804- WirelessBaltimore Sprint Spectrum L.p.
443-624- WirelessPrince Frederick Cellco Partnership DBA Verizon Wireless
443-554- WirelessMiddle River Omnipoint Communications Cap Operations
443-248- WirelessCatonsville Cellco Partnership DBA Verizon Wireless
443-298- WirelessEaston New Cingular Wireless PCS - DC
443-220- LandlineBaltimore Verizon Maryland
443-891- LandlineBaltimore Xo Maryland
443-383- LandlineWestminster Ctc Communications Corp.
443-201- WirelessWestminster Cellco Partnership DBA Verizon Wireless
443-898- LandlinePikesville Level 3 Communications
443-803- WirelessBaltimore Sprint Spectrum L.p.
443-777- LandlineEssex Verizon Maryland
443-656- LandlineColumbia Cavalier Telephone Mid-atlantic
443-658- LandlineWoodlawn Global Naps South
443-448- LandlineDenton Comcast Phone Of Northern Maryland
443-466- WirelessElkton Sprint Spectrum L.p.
443-483- LandlineCardiff Broadwing Communications. LLC
443-897- WirelessBaltimore Leap Wireless Intl DBA Cricket Comm
443-834- LandlineTowson Cavalier Telephone Mid-atlantic
443-379- LandlinePikesville Comcast Phone Of Northern Maryland
443-718- LandlineColumbia Us Lec Of Maryland
443-467- WirelessBaltimore Leap Wireless Intl DBA Cricket Comm
443-754- WirelessSalisbury Cellco Partnership DBA Verizon Wireless
443-456- LandlineEdgewood AT&T Local
443-413- WirelessBaltimore Sprint Spectrum L.p.
443-437- LandlinePocomoke Teleport Communications America
443-425- LandlineBaltimore AT&T Local
443-502- LandlineHavre De Grace Teleport Communications America
443-490- LandlineEdgewood Global Crossing Local Services-md
443-392- LandlineBaltimore AT&T Local
443-390- LandlineChurchville Global Crossing Local Services-md
443-865- WirelessBaltimore Sprint Spectrum L.p.
443-824- WirelessTowson Omnipoint Communications Cap Operations
443-206- WirelessPerryville Cellco Partnership DBA Verizon Wireless
443-725- LandlineBaltimore Paetec Communications
443-234- LandlineSnow Hill Cavalier Telephone (mid-atlantic)
443-500- WirelessBaltimore Leap Wireless Intl DBA Cricket Comm
443-955- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-205- WirelessCambridge Sprint Spectrum L.p.
443-688- LandlineSevern Cavalier Telephone Mid-atlantic
443-618- WirelessGlen Burnie Cellco Partnership DBA Verizon Wireless
443-776- LandlineBaltimore Bandwidth.com Clec
443-706- LandlineCrisfield Cavalier Telephone (mid-atlantic)
443-993- WirelessElkton Metro PCS
443-990- LandlineBaltimore Bandwidth.com Clec
443-821- WirelessWestminster Sprint Spectrum L.p.
443-632- LandlineTowson Us Lec Of Maryland
443-719- LandlineJarrettsville Cavalier Telephone Mid-atlantic
443-581- LandlineMiddle River Xo Maryland
443-846- LandlineTowson New Cingular Wireless PCS - DC
443-970- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-844- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-451- LandlineBaltimore Paetec Communications
443-790- WirelessGlen Burnie Sprint Spectrum L.p.
443-755- LandlineElkridge Verizon Maryland
443-945- WirelessElkton New Cingular Wireless PCS - DC
443-613- WirelessTowson Leap Wireless Intl DBA Cricket Comm
443-330- LandlineBaltimore Cavalier Telephone Mid-atlantic
443-580- WirelessBaltimore Sprint Spectrum L.p.
443-492- LandlineBaltimore Global Crossing Local Services-md
443-797- LandlineBaltimore Xo Maryland
443-909- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-249- LandlineStevensville Verizon Maryland
443-575- LandlineArbutus Cavalier Telephone Mid-atlantic
443-942- LandlineSeverna Park Teleport Communications America
443-215- LandlineChestertown Core Communications
443-460- LandlineBaltimore Allegiance Telecom
443-732- LandlineWestminster Teleport Communications America
443-789- WirelessWestminster New Cingular Wireless PCS - DC
443-548- LandlineBaltimore Allegiance Telecom
443-661- LandlineJessup Cavalier Telephone Mid-atlantic
443-866- WirelessBel Air Sprint Spectrum L.p.
443-794- WirelessBaltimore New Cingular Wireless PCS - DC
443-505- LandlineBaltimore Global Crossing Local Services-md
443-251- WirelessChestertown Local Access LLC
443-809- Unknown Level 3 Communications
443-302- LandlineCrofton Global Crossing Local Services-md
443-842- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-633- WirelessBaltimore Sprint Spectrum L.p.
443-654- LandlineJessup Verizon Maryland
443-760- LandlineAberdeen AT&T Local
443-281- LandlineBaltimore Allegiance Telecom
443-627- LandlineBaltimore Verizon Maryland
443-813- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-375- WirelessHampstead Sprint Spectrum L.p.
443-893- LandlineBaltimore Xo Maryland
443-738- LandlineBaltimore Paetec Communications
443-798- LandlineTowson Tw Telecom Of Maryland LLC
443-687- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-692- LandlineBaltimore Allegiance Telecom
443-358- LandlineSalisbury Ymax Communications Corp.
443-680- WirelessBaltimore Sprint Spectrum L.p.
443-223- WirelessAnnapolis Cellco Partnership DBA Verizon Wireless
443-345- LandlineAberdeen Level 3 Communications
443-607- LandlineWest River Cavalier Telephone Mid-atlantic
443-885- LandlineBaltimore Verizon Maryland
443-294- LandlineWest River Global Crossing Local Services-md
443-410- LandlineBaltimore Centurylink Communications LLC
443-537- LandlineColumbia Verizon Maryland
443-905- WirelessAnnapolis Sprint Spectrum L.p.
443-978- WirelessSalisbury Cellco Partnership DBA Verizon Wireless
443-727- LandlineBishopville Cavalier Telephone (mid-atlantic)
443-462- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-836- LandlineBaltimore Xo Maryland
443-589- LandlineCockeysville Us Lec Of Maryland
443-543- LandlineArbutus Verizon Maryland
443-588- LandlineBaltimore Allegiance Telecom
443-599- LandlineBaltimore Global Crossing Local Services-md
443-337- LandlineSparrows Point Xo Maryland
443-507- LandlineHampstead Teleport Communications America
443-850- WirelessBaltimore Omnipoint Communications Cap Operations
443-373- WirelessOcean City Sprint Spectrum L.p.
443-870- LandlinePikesville Tw Telecom Of Maryland LLC
443-409- LandlineEdgewood Cavalier Telephone Mid-atlantic
443-639- LandlineHampstead Ctc Communications Corp.
443-606- LandlineFork Ctc Communications Corp.
443-317- LandlineBaltimore Global Crossing Local Services-md
443-371- LandlineBel Air Broadwing Communications. LLC
443-415- WirelessBaltimore Sprint Spectrum L.p.
443-881- WirelessReisterstown Sprint Spectrum L.p.
443-801- WirelessBaltimore Sprint Spectrum L.p.
443-862- WirelessTowson Cellco Partnership DBA Verizon Wireless
443-786- WirelessEaston Cellco Partnership DBA Verizon Wireless
443-938- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-685- LandlineSevern Cavalier Telephone (mid-atlantic)
443-214- LandlineAnnapolis New Cingular Wireless PCS - DC
443-421- WirelessFork New Cingular Wireless PCS - DC
443-470- LandlineTowson Us Lec Of Maryland
443-723- LandlineBrooklyn Sprint Spectrum L.p.
443-972- WirelessCambridge Us Lec Of Maryland
443-326- WirelessBaltimore New Cingular Wireless PCS - DC
443-761- WirelessTowson Omnipoint Communications Cap Operations
443-514- LandlineColumbia Us Lec Of Maryland
443-896- LandlineBaltimore AT&T Local
443-653- WirelessBaltimore Omnipoint Communications Cap Operations
443-319- LandlineColumbia Cavalier Telephone (mid-atlantic)
443-716- LandlineAnnapolis Cavalier Telephone Mid-atlantic
443-826- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-772- LandlineEssex Cavalier Telephone Mid-atlantic
443-378- WirelessBaltimore Sprint Spectrum L.p.
443-287- LandlineBaltimore Verizon Maryland
443-767- LandlineReisterstown Cavalier Telephone Mid-atlantic
443-363- LandlineSevern Xo Maryland
443-839- WirelessBaltimore Omnipoint Communications Cap Operations
443-765- WirelessCatonsville New Cingular Wireless PCS - DC
443-487- LandlineWestminster Broadwing Communications. LLC
443-536- WirelessWestminster Sprint Spectrum L.p.
443-615- WirelessCatonsville Cellco Partnership DBA Verizon Wireless
443-527- WirelessBaltimore Omnipoint Communications Cap Operations
443-506- WirelessBaltimore Sprint Spectrum L.p.
443-614- WirelessSalisbury Cellco Partnership DBA Verizon Wireless
443-341- LandlineBaltimore Level 3 Communications
443-900- WirelessTowson Cellco Partnership DBA Verizon Wireless
443-991- WirelessTowson Cellco Partnership DBA Verizon Wireless
443-268- LandlineBaltimore Core Communications
443-638- LandlineEllicott City Global Naps South
443-559- LandlineEssex Comcast Phone Of Northern Maryland
443-347- LandlineCardiff Ctc Communications Corp.
443-489- LandlineBaltimore Teleport Communications America
443-218- LandlineReisterstown Global Crossing Local Services-md
443-996- WirelessCatonsville New Cingular Wireless PCS - DC
443-530- LandlineBaltimore Paetec Communications
443-796- LandlineBaltimore Xo Maryland
443-872- LandlineBaltimore Cavalier Telephone Mid-atlantic
443-592- LandlineElkridge Xo Maryland
443-419- LandlineGlenwood Cavalier Telephone Mid-atlantic
443-576- LandlineBaltimore Allegiance Telecom
443-230- LandlineOdenton Ctc Communications Corp.
443-389- LandlineSalisbury Core Communications
443-352- LandlineBaltimore AT&T Local
443-981- WirelessFallston Cellco Partnership DBA Verizon Wireless
443-698- LandlineOdenton Teleport Communications America
443-647- LandlineNew Windsor Ctc Communications Corp.
443-549- LandlineDundalk Us Lec Of Maryland
443-557- LandlineBaltimore Allegiance Telecom
443-381- LandlineReisterstown Xo Maryland
443-200- LandlineBaltimore Allegiance Telecom
443-274- LandlineSevern Verizon Maryland
443-571- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-603- LandlineAnnapolis Paetec Communications
443-312- LandlineBaltimore Global Crossing Local Services-md
443-920- LandlineSykesville Teleport Communications America
443-219- LandlineBaltimore Level 3 Communications
443-965- WirelessBaltimore Sprint Spectrum L.p.
443-917- WirelessColumbia Broadvox-clec
443-704- LandlineOdenton Cavalier Telephone Mid-atlantic
443-992- LandlineBaltimore Level 3 Communications
443-977- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-788- LandlineAberdeen Xo Maryland
443-759- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-926- LandlineAnnapolis Broadwing Communications. LLC
443-967- LandlineNorth East Verizon Maryland
443-258- WirelessEaston New Cingular Wireless PCS - DC
443-619- WirelessBel Air Cellco Partnership DBA Verizon Wireless
443-295- LandlinePrince Frederick Level 3 Communications
443-681- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-428- LandlineCockeysville Core Communications
443-736- WirelessSalisbury New Cingular Wireless PCS - DC
443-259- LandlineColumbia Verizon Maryland
443-369- LandlineBel Air Core Communications
443-781- LandlinePasadena Xo Maryland
443-815- LandlineBaltimore Xo Maryland
443-810- WirelessBaltimore Sprint Spectrum L.p.
443-273- LandlineReisterstown Teleport Communications America
443-697- LandlineCatonsville Global Naps South
443-472- LandlineBaltimore Level 3 Communications
443-430- LandlineBaltimore Xo Maryland
443-705- LandlineCockeysville Xo Maryland
443-745- WirelessColumbia Cellco Partnership DBA Verizon Wireless
443-578- LandlineBaltimore Xo Maryland
443-856- LandlineOcean City Core Communications
443-368- LandlineWestminster Core Communications
443-778- LandlineLaurel Verizon Maryland
443-925- WirelessBaltimore Omnipoint Communications Cap Operations
443-476- WirelessAnnapolis Verizon Maryland
443-861- LandlineAberdeen Verizon Maryland
443-974- LandlineWestminster Teleport Communications America
443-854- WirelessBaltimore Omnipoint Communications Cap Operations
443-916- WirelessBaltimore Sprint Spectrum L.p.
443-454- WirelessAnnapolis Omnipoint Communications Cap Operations
443-354- LandlineBaltimore Level 3 Communications
443-979- WirelessColumbia Cellco Partnership DBA Verizon Wireless
443-277- WirelessSykesville Sprint Spectrum L.p.
443-417- LandlineFallston Teleport Communications America
443-577- LandlineColumbia Us Lec Of Maryland
443-283- LandlineBaltimore Paetec Communications
443-434- LandlineFederalsburg Comcast Phone Of Northern Maryland
443-216- LandlineDundalk Cavalier Telephone Mid-atlantic
443-520- WirelessCatonsville New Cingular Wireless PCS - DC
443-209- LandlineHavre De Grace Cavalier Telephone (mid-atlantic)
443-848- LandlineBaltimore Sprint Spectrum L.p.
443-863- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-954- LandlineBaltimore Paetec Communications
443-672- LandlineParkton Teleport Communications America
443-966- WirelessFallston Cellco Partnership DBA Verizon Wireless
443-628- LandlineGlen Burnie Xo Maryland
443-297- LandlineArbutus Teleport Communications America
443-263- LandlineBaltimore Verizon Maryland
443-288- LandlineBaltimore Allegiance Telecom
443-806- WirelessBaltimore Sprint Spectrum L.p.
443-833- LandlineArbutus Us Lec Of Maryland
443-338- LandlineSparks Glencoe Ctc Communications Corp.
443-657- LandlineRandallstown Tw Telecom Of Maryland LLC
443-301- WirelessBaltimore New Cingular Wireless PCS - DC
443-709- LandlineArbutus Cavalier Telephone Mid-atlantic
443-894- WirelessBaltimore Sprint Spectrum L.p.
443-427- LandlinePrincess Anne Core Communications
443-604- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-539- LandlineColumbia Us Lec Of Maryland
443-236- LandlineCardiff Core Communications
443-952- WirelessWestminster Cellco Partnership DBA Verizon Wireless
443-691- WirelessBaltimore New Cingular Wireless PCS - DC
443-296- LandlineBaltimore Global Crossing Local Services-md
443-662- LandlineSparks Glencoe Cavalier Telephone Mid-atlantic
443-901- LandlineTowson Cavalier Telephone Mid-atlantic
443-286- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-550- LandlineNorth Beach Level 3 Communications
443-793- LandlineBaltimore Xo Maryland
443-566- WirelessChesapeake City Cellco Partnership DBA Verizon Wireless
443-882- WirelessBaltimore Sprint Spectrum L.p.
443-605- LandlineWestminster Cavalier Telephone Mid-atlantic
443-418- WirelessBaltimore Sprint Spectrum L.p.
443-436- LandlineWoodlawn Verizon Maryland
443-689- LandlineCockeysville Cavalier Telephone Mid-atlantic
443-735- WirelessSalisbury New Cingular Wireless PCS - DC
443-485- LandlineElkton Broadwing Communications. LLC
443-962- WirelessGlen Burnie Cellco Partnership DBA Verizon Wireless
443-320- LandlineBaltimore Global Crossing Local Services-md
443-740- LandlineBaltimore Telcove Operations
443-899- LandlineElkridge Broadwing Communications. LLC
443-730- LandlineBaltimore Paetec Communications
443-591- WirelessGlen Burnie Cellco Partnership DBA Verizon Wireless
443-983- WirelessBaltimore Omnipoint Communications Cap Operations
443-280- WirelessSykesville New Cingular Wireless PCS - DC
443-770- LandlinePasadena Verizon Maryland
443-827- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-404- WirelessSolomons Sprint Spectrum L.p.
443-329- LandlineJessup Global Crossing Local Services-md
443-499- LandlineJarrettsville Global Crossing Local Services-md
443-482- LandlineAnnapolis Verizon Maryland
443-888- LandlinePrincess Anne Cavalier Telephone (mid-atlantic)
443-712- LandlineReisterstown Cavalier Telephone Mid-atlantic
443-726- LandlineTowson Sprint Spectrum L.p.
443-519- LandlineBaltimore Global Crossing Local Services-md
443-435- WirelessBaltimore Sprint Spectrum L.p.
443-621- WirelessBaltimore Sprint Spectrum L.p.
443-279- LandlineBaltimore Allegiance Telecom
443-682- LandlineBaltimore Cellco Partnership DBA Verizon Wireless
443-598- LandlineSherwood Forest Global Crossing Local Services-md
443-655- WirelessBel Air New Cingular Wireless PCS - DC
443-969- LandlineEssex Cavalier Telephone Mid-atlantic
443-805- WirelessGlen Burnie Omnipoint Communications Cap Operations
443-213- LandlineBaltimore Verizon Maryland
443-532- WirelessPrince Frederick Sprint Spectrum L.p.
443-678- LandlineParkville Verizon Maryland
443-212- LandlineSparks Glencoe Us Lec Of Maryland
443-840- WirelessCatonsville New Cingular Wireless PCS - DC
443-355- LandlineBaltimore Level 3 Communications
443-544- LandlinePikesville Cavalier Telephone Mid-atlantic
443-597- LandlineSeverna Park Global Crossing Local Services-md
443-858- WirelessBaltimore Omnipoint Communications Cap Operations
443-564- LandlineBaltimore Level 3 Communications
443-231- LandlineBaltimore AT&T Local
443-837- LandlineAnnapolis Us Lec Of Maryland
443-441- LandlineGlenwood Teleport Communications America
443-747- LandlinePort Deposit Core Communications
443-907- WirelessElkton Cellco Partnership DBA Verizon Wireless
443-921- LandlineBaltimore Paetec Communications
443-357- LandlinePikesville Verizon Maryland
443-484- LandlineEdgewood Broadwing Communications. LLC
443-226- WirelessBaltimore Sprint Spectrum L.p.
443-673- LandlineBrooklyn Cavalier Telephone Mid-atlantic
443-240- WirelessBaltimore New Cingular Wireless PCS - DC
443-264- LandlinePikesville Xo Maryland
443-335- LandlineBrooklyn Xo Maryland
443-292- LandlineLaurel Level 3 Communications
443-235- WirelessSalisbury Cellco Partnership DBA Verizon Wireless
443-450- LandlineBaltimore Level 3 Communications
443-919- LandlineBaltimore Cavalier Telephone Mid-atlantic
443-721- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-565- LandlineRandallstown Cavalier Telephone Mid-atlantic
443-551- LandlineBaltimore Level 3 Communications
443-513- WirelessBerlin New Cingular Wireless PCS - DC
443-724- LandlineEaston Cavalier Telephone (mid-atlantic)
443-356- LandlineBel Air Level 3 Communications
443-384- LandlineParkville Cavalier Telephone Mid-atlantic
443-998- LandlineParkville Verizon Maryland
443-602- WirelessCatonsville Cellco Partnership DBA Verizon Wireless
443-284- LandlineJessup Xo Maryland
443-593- LandlineElkton Ctc Communications Corp.
443-479- LandlineLaurel Verizon Maryland
443-377- WirelessTowson Cellco Partnership DBA Verizon Wireless
443-405- LandlineBaltimore Global Crossing Local Services-md
443-814- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-372- LandlineEdgewood Us Lec Of Maryland
443-984- LandlineBaltimore Verizon Maryland
443-247- LandlineUnion Bridge Ctc Communications Corp.
443-299- LandlineFallston Global Crossing Local Services-md
443-785- LandlineArbutus Global Naps South
443-332- LandlineCrofton Cavalier Telephone Mid-atlantic
443-244- LandlineWestminster Level 3 Communications
443-875- LandlineAnnapolis New Cingular Wireless PCS - DC
443-396- LandlineOdenton Global Crossing Local Services-md
443-289- LandlineWestminster Mci Worldcom Communications
443-387- LandlinePocomoke Core Communications
443-512- LandlineEdgewood Verizon Maryland
443-934- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-538- WirelessColumbia Omnipoint Communications Cap Operations
443-703- LandlineBaltimore Xo Maryland
443-475- LandlineBaltimore Mci Worldcom Communications
443-910- WirelessBel Air New Cingular Wireless PCS - DC
443-975- WirelessPrince Frederick New Cingular Wireless PCS - DC
443-701- LandlineArbutus Xo Maryland
443-816- LandlineSeverna Park Allegiance Telecom
443-477- WirelessCambridge Cellco Partnership DBA Verizon Wireless
443-376- LandlineBaltimore Teleport Communications America
443-766- LandlineColumbia Us Lec Of Maryland
443-261- LandlineSeverna Park Mci Worldcom Communications
443-488- WirelessBaltimore Leap Wireless Intl DBA Cricket Comm
443-973- LandlineBaltimore Xo Maryland
443-474- WirelessCatonsville New Cingular Wireless PCS - DC
443-207- WirelessElkton Omnipoint Communications Enterprises, L.p.
443-495- LandlineBaltimore Global Crossing Local Services-md
443-665- LandlineNanticoke Cavalier Telephone (mid-atlantic)
443-257- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-757- LandlineElkridge Cavalier Telephone Mid-atlantic
443-923- LandlineBaltimore Cavalier Telephone Mid-atlantic
443-420- LandlineBaltimore Global Crossing Local Services-md
443-937- LandlineUnion Bridge Teleport Communications America
443-783- WirelessSalisbury Cellco Partnership DBA Verizon Wireless
443-669- LandlineDelmar Cavalier Telephone (mid-atlantic)
443-526- LandlineHavre De Grace Ctc Communications Corp.
443-742- WirelessBaltimore New Cingular Wireless PCS - DC
443-406- LandlineElkton Teleport Communications America
443-943- LandlineBaltimore Teleport Communications America
443-702- LandlinePasadena Cavalier Telephone Mid-atlantic
443-659- LandlineWest River Global Naps South
443-452- LandlineBaltimore Us Lec Of Maryland
443-708- LandlineBaltimore Tw Telecom Of Maryland LLC
443-791- WirelessTowson New Cingular Wireless PCS - DC
443-552- LandlineBaltimore Verizon Maryland
443-569- LandlineAnnapolis Level 3 Communications
443-306- WirelessBaltimore Sprint Spectrum L.p.
443-713- WirelessColumbia Peerless Network Of Maryland
443-960- WirelessGlen Burnie Cellco Partnership DBA Verizon Wireless
443-784- LandlineBaltimore Teleport Communications America
443-464- LandlineChurchville Broadview Networks
443-989- LandlineGlen Burnie Cavalier Telephone Mid-atlantic
443-623- WirelessGlen Burnie Sprint Spectrum L.p.
443-812- WirelessColumbia Cellco Partnership DBA Verizon Wireless
443-468- WirelessBaltimore Sprint Spectrum L.p.
443-316- LandlineBaltimore Global Crossing Local Services-md
443-582- LandlineChurchville Ctc Communications Corp.
443-674- LandlineNorth East Teleport Communications America
443-265- LandlineFork Cavalier Telephone Mid-atlantic
443-353- LandlineCockeysville Verizon Maryland
443-683- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-912- LandlineTowson Core Communications
443-864- WirelessColumbia Sprint Spectrum L.p.
443-561- LandlineColumbia Us Lec Of Maryland
443-508- LandlineHampstead Cavalier Telephone Mid-atlantic
443-851- WirelessCatonsville Omnipoint Communications Cap Operations
443-902- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-365- WirelessSalisbury Omnipoint Communications Cap Operations
443-496- WirelessEaston Sprint Spectrum L.p.
443-438- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-529- WirelessBaltimore Omnipoint Communications Cap Operations
443-640- LandlineBel Air Us Lec Of Maryland
443-252- WirelessPerryville Cellco Partnership DBA Verizon Wireless
443-340- WirelessWestminster Cellco Partnership DBA Verizon Wireless
443-949- LandlineAnnapolis Comcast Phone Of Northern Maryland
443-547- WirelessWestminster Cellco Partnership DBA Verizon Wireless
443-433- LandlineAnnapolis Xo Maryland
443-671- LandlineNew Windsor Teleport Communications America
443-985- WirelessRandallstown Omnipoint Communications Cap Operations
443-608- WirelessTowson Leap Wireless Intl DBA Cricket Comm
443-849- LandlineTowson Verizon Maryland
443-610- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-307- LandlineBel Air Global Crossing Local Services-md
443-892- LandlineNew Windsor Bandwidth.com Clec
443-676- WirelessBaltimore New Cingular Wireless PCS - DC
443-246- LandlineElkton Core Communications
443-407- LandlineBaltimore Allegiance Telecom
443-533- LandlineJarrettsville Teleport Communications America
443-980- WirelessCatonsville New Cingular Wireless PCS - DC
443-620- LandlineBaltimore Teleport Communications America
443-525- WirelessBaltimore Leap Wireless Intl DBA Cricket Comm
443-501- LandlineBaltimore Global Crossing Local Services-md
443-769- WirelessBaltimore Omnipoint Communications Cap Operations
443-987- LandlineBel Air AT&T Local
443-835- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-241- LandlineWestminster Global Naps South
443-458- LandlineAnnapolis Allegiance Telecom
443-556- LandlineCockeysville Verizon Maryland
443-440- LandlineAnnapolis Verizon Maryland
443-746- LandlineEaston Level 3 Communications
443-385- LandlineEaston Core Communications
443-327- LandlineAberdeen Cavalier Telephone Mid-atlantic
443-857- WirelessBaltimore Omnipoint Communications Cap Operations
443-679- LandlineBaltimore Teleport Communications America
443-852- WirelessAnnapolis New Cingular Wireless PCS - DC
443-771- WirelessPrince Frederick Cellco Partnership DBA Verizon Wireless
443-497- WirelessSalisbury Sprint Spectrum L.p.
443-860- WirelessCatonsville New Cingular Wireless PCS - DC
443-509- WirelessBaltimore Cellco Partnership DBA Verizon Wireless
443-877- LandlineNorth East Level 3 Communications
443-432- LandlinePrince Frederick Ctc Communications Corp.
443-228- LandlineMiddle River Us Lec Of Maryland
Most Searched Area Codes