Area Code 231 Location - Michigan
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Cities in Areacode 231
- Muskegon
- Norton Shores
- Shelby
| PREFIX | USAGE | PRIMARY CITY | CARRIER |
|---|---|---|---|
| 231-861- | Landline | Shelby | Frontier North |
| 231-337- | Landline | Mc Bain | Lucre |
| 231-568- | Landline | Traverse City | Lucre |
| 231-242- | Landline | Harbor Springs | Ameritech Michigan |
| 231-583- | Landline | Ludington | Local Exchange Carriers Of Michigan |
| 231-276- | Landline | Lake Ann | Ameritech Michigan |
| 231-764- | Landline | Fife Lake | Telnet Worldwide |
| 231-445- | Wireless | Cheboygan | Cellco Partnership DBA Verizon Wireless |
| 231-421- | Landline | Traverse City | Charter Fiberlink - Michigan |
| 231-768- | Landline | Leroy | Ameritech Michigan |
| 231-643- | Landline | Morley | Local Exchange Carriers Of Michigan |
| 231-437- | Landline | Charlevoix | Sprint Spectrum L.p. |
| 231-433- | Wireless | Merritt | Cellco Partnership DBA Verizon Wireless |
| 231-942- | Landline | Cadillac | Cellco Partnership DBA Verizon Wireless |
| 231-846- | Landline | Cadillac | Sprint Spectrum L.p. |
| 231-233- | Wireless | Ludington | Cellco Partnership DBA Verizon Wireless |
| 231-922- | Landline | Traverse City | Ameritech Michigan |
| 231-924- | Landline | Fremont | Ameritech Michigan |
| 231-928- | Landline | Fremont | Ameritech Michigan |
| 231-482- | Landline | Boyne City | Lucre |
| 231-510- | Wireless | Traverse City | New Cingular Wireless PCS - IL |
| 231-762- | Landline | Howard City | Michigan Central Broadband Company |
| 231-341- | Wireless | Cheboygan | American Messaging (am) |
| 231-487- | Landline | Petoskey | Ameritech Michigan |
| 231-651- | Wireless | Beulah | New Cingular Wireless PCS - IL |
| 231-295- | Landline | Lake City | Charter Fiberlink - Michigan |
| 231-995- | Landline | Traverse City | Ameritech Michigan |
| 231-532- | Wireless | Kalkaska | American Messaging (am) |
| 231-935- | Landline | Traverse City | Ameritech Michigan |
| 231-269- | Landline | Buckley | Ace Telephone Co. Of Michigan |
| 231-633- | Landline | Traverse City | New Cingular Wireless PCS - IL |
| 231-823- | Landline | Stanwood | Frontier North |
| 231-557- | Wireless | Muskegon | Cellco Partnership DBA Verizon Wireless |
| 231-359- | Landline | Mecosta | Charter Fiberlink - Michigan |
| 231-637- | Landline | Northport | Telnet Worldwide |
| 231-250- | Wireless | Big Rapids | Cellco Partnership DBA Verizon Wireless |
| 231-262- | Landline | Elmira | Acd Telecom |
| 231-208- | Landline | Boyne Falls | Telnet Worldwide |
| 231-890- | Landline | Traverse City | Ameritech Michigan |
| 231-238- | Landline | Indian River | Ameritech Michigan |
| 231-639- | Landline | Beulah | Local Exchange Carriers Of Michigan |
| 231-837- | Wireless | Fremont | American Messaging (am) |
| 231-689- | Landline | White Cloud | Ameritech Michigan |
| 231-222- | Landline | East Jordan | Level 3 Communications |
| 231-225- | Landline | Fremont | Level 3 Communications |
| 231-889- | Landline | Onekama | Ameritech Michigan |
| 231-432- | Wireless | Northport | New Cingular Wireless PCS - IL |
| 231-798- | Landline | Muskegon | Frontier North |
| 231-893- | Landline | Whitehall | Frontier North |
| 231-623- | Landline | Wolverine | Lucre |
| 231-886- | Landline | Kalkaska | New Cingular Wireless PCS - IL |
| 231-776- | Landline | Petoskey | Local Exchange Carriers Of Michigan |
| 231-920- | Wireless | Traverse City | New Cingular Wireless PCS - IL |
| 231-729- | Wireless | Irons | New Cingular Wireless PCS - IL |
| 231-745- | Landline | Baldwin | Ameritech Michigan |
| 231-773- | Landline | Muskegon | Frontier North |
| 231-340- | Wireless | Elmira | Cellco Partnership DBA Verizon Wireless |
| 231-227- | Landline | Honor | Charter Fiberlink - Michigan |
| 231-642- | Landline | Traverse City | Sprint Spectrum L.p. |
| 231-596- | Landline | Harbor Springs | Usa Mobility Wireless |
| 231-325- | Landline | Honor | Centurytel Of Michigan Inc DBA Centurylink |
| 231-235- | Landline | Levering | Telnet Worldwide |
| 231-564- | Landline | Kalkaska | New Cingular Wireless PCS - IL |
| 231-883- | Landline | Traverse City | New Cingular Wireless PCS - IL |
| 231-872- | Landline | Reed City | New Cingular Wireless PCS - IL |
| 231-363- | Landline | Cheboygan | Telnet Worldwide |
| 231-842- | Landline | Cadillac | Local Exchange Carriers Of Michigan |
| 231-508- | Landline | Onekama | Kaleva Telephone Company |
| 231-896- | Landline | Coral | Lucre |
| 231-824- | Landline | Manton | Ameritech Michigan |
| 231-808- | Landline | Central Lake | Local Exchange Carriers Of Michigan |
| 231-301- | Wireless | Hart | Cellco Partnership DBA Verizon Wireless |
| 231-527- | Landline | Big Rapids | Ameritech Michigan |
| 231-335- | Landline | Fremont | New Cingular Wireless PCS - IL |
| 231-282- | Landline | Grant | New Cingular Wireless PCS - IL |
| 231-214- | Landline | Leroy | Usa Mobility Wireless |
| 231-480- | Landline | Ludington | Level 3 Communications |
| 231-440- | Landline | Baldwin | Local Exchange Carriers Of Michigan |
| 231-519- | Wireless | Newaygo | Cellco Partnership DBA Verizon Wireless |
| 231-725- | Landline | Muskegon | Frontier North |
| 231-933- | Landline | Traverse City | Ameritech Michigan |
| 231-592- | Landline | Big Rapids | Ameritech Michigan |
| 231-429- | Wireless | Cadillac | Cellco Partnership DBA Verizon Wireless |
| 231-994- | Landline | Lake Leelanau | Acd Telecom |
| 231-302- | Landline | Petoskey | Lucre |
| 231-704- | Landline | Free Soil | Usa Mobility Wireless |
| 231-916- | Landline | Mancelona | Level 3 Communications |
| 231-375- | Landline | Muskegon | Comlink |
| 231-686- | Landline | Frankfort | Local Exchange Carriers Of Michigan |
| 231-830- | Landline | Muskegon | Frontier North |
| 231-634- | Landline | Cheboygan | Island Telephone Co. |
| 231-218- | Wireless | Traverse City | Sprint Spectrum L.p. |
| 231-775- | Landline | Cadillac | Ameritech Michigan |
| 231-614- | Landline | Shelby | Lucre |
| 231-580- | Landline | Big Rapids | Sprint Spectrum L.p. |
| 231-330- | Wireless | Petoskey | Cellco Partnership DBA Verizon Wireless |
| 231-646- | Landline | Ellsworth | Frontier North |
| 231-498- | Landline | Elk Rapids | Level 3 Communications |
| 231-834- | Landline | Grant | Ameritech Michigan |
| 231-744- | Landline | Muskegon | Frontier North |
| 231-946- | Landline | Traverse City | Ameritech Michigan |
| 231-319- | Landline | Mackinaw City | Telnet Worldwide |
| 231-735- | Landline | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-720- | Landline | Muskegon | Frontier North |
| 231-585- | Landline | Elmira | Pigeon Telephone Co. |
| 231-563- | Landline | Muskegon | Lucre |
| 231-944- | Landline | Traverse City | Cynergycomm.net |
| 231-544- | Landline | Central Lake | Frontier North |
| 231-750- | Wireless | Muskegon | New Cingular Wireless PCS - IL |
| 231-972- | Landline | Mecosta | Centurytel Midwest-midwest Inc DBA Centurylink |
| 231-734- | Landline | Evart | Ameritech Michigan |
| 231-332- | Landline | Muskegon | Telnet Worldwide |
| 231-740- | Wireless | Muskegon | Cellco Partnership DBA Verizon Wireless |
| 231-693- | Landline | Indian River | Lucre |
| 231-853- | Landline | Ravenna | Frontier North |
| 231-839- | Landline | Lake City | Centurytel Of Michigan Inc DBA Centurylink |
| 231-598- | Landline | Big Rapids | New Cingular Wireless PCS - IL |
| 231-322- | Landline | Rapid City | Frontier North |
| 231-259- | Landline | Shelby | Charter Fiberlink - Michigan |
| 231-256- | Landline | Lake Leelanau | Ameritech Michigan |
| 231-593- | Landline | Cadillac | Usa Mobility Wireless |
| 231-845- | Landline | Ludington | Frontier North |
| 231-681- | Landline | Fruitport | Frontier North |
| 231-932- | Landline | Traverse City | Ameritech Michigan |
| 231-308- | Landline | Charlevoix | Telnet Worldwide |
| 231-881- | Landline | Petoskey | New Cingular Wireless PCS - IL |
| 231-206- | Landline | Muskegon | Sprint Spectrum L.p. |
| 231-912- | Wireless | Reed City | New Cingular Wireless PCS - IL |
| 231-981- | Landline | Whitehall | Frontier North |
| 231-826- | Landline | Falmouth | Century Tel Co Northern Michigan DBA Centurylink |
| 231-970- | Wireless | Bear Lake | New Cingular Wireless PCS - IL |
| 231-389- | Landline | Harrietta | Ameritech Michigan |
| 231-398- | Landline | Manistee | Ameritech Michigan |
| 231-423- | Landline | Evart | Lucre |
| 231-627- | Landline | Cheboygan | Ameritech Michigan |
| 231-854- | Landline | Hesperia | Frontier North |
| 231-315- | Landline | Muskegon | Usa Mobility Wireless |
| 231-894- | Landline | Whitehall | Frontier North |
| 231-327- | Wireless | Muskegon | New Cingular Wireless PCS - IL |
| 231-874- | Landline | Wolverine | Local Exchange Carriers Of Michigan |
| 231-778- | Landline | Traverse City | Local Exchange Carriers Of Michigan |
| 231-599- | Landline | Central Lake | Frontier North |
| 231-255- | Landline | Onekama | Usa Mobility Wireless |
| 231-394- | Wireless | Merritt | Cellco Partnership DBA Verizon Wireless |
| 231-240- | Landline | Lake Ann | Telnet Worldwide |
| 231-709- | Landline | Traverse City | New Cingular Wireless PCS - IL |
| 231-529- | Landline | Brutus | Centurytel Of Michigan Inc DBA Centurylink |
| 231-877- | Landline | Northport | Lucre |
| 231-774- | Landline | Interlochen | Acd Telecom |
| 231-464- | Landline | Free Soil | Ameritech Michigan |
| 231-318- | Landline | Traverse City | Usa Mobility Wireless |
| 231-439- | Landline | Petoskey | Ameritech Michigan |
| 231-818- | Landline | Cheboygan | New Cingular Wireless PCS - IL |
| 231-343- | Landline | Muskegon | Sprint Spectrum L.p. |
| 231-459- | Landline | Boyne City | Long Distance Of Michigan DBA Ldmi |
| 231-879- | Landline | Fife Lake | Ameritech Michigan |
| 231-625- | Landline | Cheboygan | Ameritech Michigan |
| 231-597- | Landline | Cheboygan | Ameritech Michigan |
| 231-536- | Landline | East Jordan | Ameritech Michigan |
| 231-356- | Landline | Mancelona | Telnet Worldwide |
| 231-232- | Landline | Merritt | Telnet Worldwide |
| 231-848- | Landline | Wellston | Kaleva Telephone Company |
| 231-518- | Landline | Kalkaska | Level 3 Communications |
| 231-460- | Landline | Big Rapids | Lucre |
| 231-424- | Landline | Branch | Acd Telecom |
| 231-813- | Landline | Ludington | Lucre |
| 231-366- | Landline | Fruitport | Level 3 Communications |
| 231-885- | Landline | Mesick | Ace Telephone Co. Of Michigan |
| 231-494- | Wireless | Big Rapids | American Messaging (am) |
| 231-448- | Landline | Naubinway | Island Telephone Co. |
| 231-732- | Landline | Morley | Lucre |
| 231-789- | Landline | Frankfort | Lucre |
| 231-876- | Landline | Cadillac | Ameritech Michigan |
| 231-797- | Landline | Luther | Ameritech Michigan |
| 231-962- | Landline | Kaleva | Lucre |
| 231-241- | Landline | Pentwater | Daystarr DBA Daystarr Communications |
| 231-742- | Wireless | Hart | New Cingular Wireless PCS - IL |
| 231-882- | Landline | Beulah | Ameritech Michigan |
| 231-533- | Landline | Bellaire | Frontier North |
| 231-930- | Landline | Beulah | Acd Telecom |
| 231-908- | Landline | Mc Bain | Local Exchange Carriers Of Michigan |
| 231-607- | Landline | Cheboygan | Usa Mobility Wireless |
| 231-829- | Landline | Tustin | Ameritech Michigan |
| 231-866- | Wireless | Suttons Bay | New Cingular Wireless PCS - IL |
| 231-871- | Landline | Beulah | New Cingular Wireless PCS - IL |
| 231-538- | Landline | Fremont | Local Exchange Carriers Of Michigan |
| 231-974- | Landline | Grant | Local Exchange Carriers Of Michigan |
| 231-258- | Landline | Kalkaska | Ameritech Michigan |
| 231-360- | Wireless | Traverse City | New Cingular Wireless PCS - IL |
| 231-615- | Wireless | Cheboygan | American Messaging (am) |
| 231-730- | Wireless | Muskegon | New Cingular Wireless PCS - IL |
| 231-608- | Landline | Frankfort | Usa Mobility Wireless |
| 231-782- | Landline | Cheboygan | Local Exchange Carriers Of Michigan |
| 231-382- | Wireless | Cadillac | American Messaging (am) |
| 231-799- | Landline | Muskegon | Frontier North |
| 231-620- | Landline | Traverse City | New Cingular Wireless PCS - IL |
| 231-724- | Landline | Muskegon | Frontier North |
| 231-201- | Wireless | Rodney | New Cingular Wireless PCS - IL |
| 231-303- | Landline | Newaygo | Teleport Communications America |
| 231-741- | Landline | Wellston | Lucre |
| 231-926- | Landline | Kalkaska | Lucre |
| 231-347- | Landline | Petoskey | Ameritech Michigan |
| 231-788- | Landline | Muskegon | Frontier North |
| 231-769- | Landline | Muskegon | Frontier North |
| 231-844- | Landline | Indian River | Level 3 Communications |
| 231-486- | Landline | Traverse City | Brooks Fiber Communications Of Michigan |
| 231-266- | Landline | Irons | Ameritech Michigan |
| 231-223- | Landline | Elk Rapids | Peninsula Telephone Co. |
| 231-329- | Wireless | Muskegon | New Cingular Wireless PCS - IL |
| 231-349- | Wireless | Big Rapids | Cellco Partnership DBA Verizon Wireless |
| 231-386- | Landline | Northport | Ameritech Michigan |
| 231-525- | Landline | Wolverine | Ameritech Michigan |
| 231-947- | Landline | Traverse City | Ameritech Michigan |
| 231-878- | Wireless | Cadillac | Cellco Partnership DBA Verizon Wireless |
| 231-578- | Landline | Muskegon | Sprint Spectrum L.p. |
| 231-203- | Wireless | Alanson | New Cingular Wireless PCS - IL |
| 231-204- | Landline | Fife Lake | Usa Mobility Wireless |
| 231-219- | Landline | Merritt | Telnet Worldwide |
| 231-753- | Landline | Petoskey | Long Distance Of Michigan DBA Ldmi |
| 231-736- | Landline | Muskegon | Frontier North |
| 231-377- | Landline | Alden | Frontier North |
| 231-645- | Landline | Traverse City | New Cingular Wireless PCS - IL |
| 231-721- | Landline | Hart | Local Exchange Carriers Of Michigan |
| 231-670- | Wireless | Muskegon | Cellco Partnership DBA Verizon Wireless |
| 231-369- | Landline | South Boardman | Ace Telephone Co. Of Michigan |
| 231-346- | Landline | Traverse City | Telnet Worldwide |
| 231-438- | Landline | Manistee | Lucre |
| 231-245- | Wireless | Newaygo | New Cingular Wireless PCS - IL |
| 231-537- | Landline | Levering | Centurytel Of Michigan Inc DBA Centurylink |
| 231-546- | Landline | Elmira | Centurytel Of Michigan Inc DBA Centurylink |
| 231-941- | Landline | Traverse City | Ameritech Michigan |
| 231-629- | Landline | Big Rapids | Sprint Spectrum L.p. |
| 231-887- | Landline | Manistee | New Cingular Wireless PCS - IL |
| 231-336- | Landline | Ludington | Usa Mobility Wireless |
| 231-399- | Landline | Frankfort | Acd Telecom |
| 231-229- | Landline | Merritt | Centurytel Of Michigan Inc DBA Centurylink |
| 231-526- | Landline | Harbor Springs | Ameritech Michigan |
| 231-338- | Landline | Baldwin | Lucre |
| 231-414- | Landline | Newaygo | New Cingular Wireless PCS - IL |
| 231-727- | Landline | Muskegon | Frontier North |
| 231-636- | Landline | Howard City | Local Exchange Carriers Of Michigan |
| 231-606- | Landline | Big Rapids | Usa Mobility Wireless |
| 231-835- | Wireless | Maple City | New Cingular Wireless PCS - IL |
| 231-217- | Landline | Bear Lake | Telnet Worldwide |
| 231-339- | Wireless | Muskegon | American Messaging (am) |
| 231-694- | Landline | Beulah | Lucre |
| 231-288- | Wireless | Muskegon | New Cingular Wireless PCS - IL |
| 231-755- | Landline | Muskegon | Frontier North |
| 231-312- | Landline | Frankfort | Telnet Worldwide |
| 231-316- | Landline | Ludington | Telnet Worldwide |
| 231-698- | Landline | Harrietta | Lucre |
| 231-821- | Landline | Holton | Frontier North |
| 231-591- | Landline | Big Rapids | Ameritech Michigan |
| 231-833- | Wireless | Wolverine | New Cingular Wireless PCS - IL |
| 231-676- | Wireless | Bellaire | New Cingular Wireless PCS - IL |
| 231-955- | Landline | Muskegon | New Cingular Wireless PCS - IL |
| 231-825- | Landline | Mc Bain | Ameritech Michigan |
| 231-873- | Landline | Hart | Frontier North |
| 231-790- | Landline | Free Soil | Long Distance Of Michigan DBA Ldmi |
| 231-864- | Landline | Bear Lake | Centurytel Of Michigan Inc DBA Centurylink |
| 231-767- | Landline | Muskegon | Frontier North |
| 231-539- | Landline | Pellston | Ameritech Michigan |
| 231-682- | Landline | Alden | Telnet Worldwide |
| 231-856- | Landline | Morley | Ameritech Michigan |
| 231-556- | Landline | Charlevoix | Lucre |
| 231-884- | Landline | Cadillac | New Cingular Wireless PCS - IL |
| 231-867- | Landline | Rodney | Centurytel Midwest-midwest Inc DBA Centurylink |
| 231-588- | Landline | Ellsworth | Frontier North |
| 231-499- | Wireless | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-652- | Landline | Newaygo | Ameritech Michigan |
| 231-792- | Landline | Mancelona | Local Exchange Carriers Of Michigan |
| 231-230- | Landline | Elmira | Telnet Worldwide |
| 231-351- | Landline | Scottville | Telnet Worldwide |
| 231-569- | Wireless | Petoskey | American Messaging (am) |
| 231-237- | Landline | Charlevoix | Ameritech Michigan |
| 231-660- | Landline | Big Rapids | Local Exchange Carriers Of Michigan |
| 231-207- | Landline | Honor | Telnet Worldwide |
| 231-522- | Landline | Luther | Lucre |
| 231-543- | Landline | Leroy | Lucre |
| 231-649- | Wireless | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-754- | Landline | Mancelona | Lucre |
| 231-323- | Landline | East Jordan | Lucre |
| 231-719- | Landline | Muskegon | Frontier North |
| 231-427- | Landline | Mackinaw City | Sbc Internet Services |
| 231-796- | Landline | Big Rapids | Ameritech Michigan |
| 231-287- | Wireless | Big Rapids | Cellco Partnership DBA Verizon Wireless |
| 231-236- | Landline | Lake City | Telnet Worldwide |
| 231-737- | Landline | Muskegon | Frontier North |
| 231-305- | Landline | Big Rapids | Telnet Worldwide |
| 231-726- | Landline | Muskegon | Frontier North |
| 231-739- | Landline | Muskegon | Frontier North |
| 231-722- | Landline | Muskegon | Frontier North |
| 231-869- | Landline | Pentwater | Frontier North |
| 231-674- | Landline | Grant | Level 3 Communications |
| 231-267- | Landline | Williamsburg | Ameritech Michigan |
| 231-392- | Landline | Traverse City | Sprint Spectrum L.p. |
| 231-805- | Landline | Kaleva | Acd Telecom |
| 231-275- | Landline | Lake Ann | Centurytel Of Michigan Inc DBA Centurylink |
| 231-395- | Landline | Grant | Telnet Worldwide |
| 231-409- | Landline | Traverse City | New Cingular Wireless PCS - IL |
| 231-263- | Landline | Kingsley | Century Tel Co Northern Michigan DBA Centurylink |
| 231-791- | Landline | Reed City | Long Distance Of Michigan DBA Ldmi |
| 231-314- | Landline | Kalkaska | Telnet Worldwide |
| 231-403- | Landline | Williamsburg | Sbc Internet Services |
| 231-313- | Landline | Traverse City | New Cingular Wireless PCS - IL |
| 231-345- | Landline | Reed City | Lucre |
| 231-492- | Wireless | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-372- | Landline | Evart | Telnet Worldwide |
| 231-723- | Landline | Manistee | Ameritech Michigan |
| 231-515- | Landline | Evart | Acd Telecom |
| 231-656- | Landline | Kalkaska | Local Exchange Carriers Of Michigan |
| 231-358- | Landline | Central Lake | Telnet Worldwide |
| 231-587- | Landline | Mancelona | Ameritech Michigan |
| 231-852- | Landline | Ludington | New Cingular Wireless PCS - IL |
| 231-943- | Landline | Lake Ann | Ameritech Michigan |
| 231-354- | Landline | Coral | Ameritech Michigan |
| 231-571- | Landline | Muskegon | Frontier North |
| 231-355- | Landline | Fremont | Telnet Worldwide |
| 231-328- | Landline | Merritt | Centurytel Of Michigan Inc DBA Centurylink |
| 231-309- | Landline | Manistee | Telnet Worldwide |
| 231-733- | Landline | Muskegon | Frontier North |
| 231-291- | Landline | Muskegon | Telnet Worldwide |
| 231-675- | Wireless | Boyne City | New Cingular Wireless PCS - IL |
| 231-743- | Landline | Marion | Ameritech Michigan |
| 231-855- | Landline | Muskegon | New Cingular Wireless PCS - IL |
| 231-209- | Landline | Suttons Bay | Telnet Worldwide |
| 231-678- | Landline | Brethren | Acd Telecom |
| 231-547- | Landline | Charlevoix | Ameritech Michigan |
| 231-577- | Landline | Cadillac | Level 3 Communications |
| 231-559- | Landline | Mc Bain | Bandwidth.com Clec |
| 231-220- | Landline | Muskegon | Local Exchange Carriers Of Michigan |
| 231-249- | Landline | Cheboygan | Lucre |
| 231-644- | Landline | Brethren | Lucre |
| 231-903- | Landline | Muskegon | Level 3 Communications |
| 231-925- | Landline | Scottville | Local Exchange Carriers Of Michigan |
| 231-838- | Wireless | Pellston | New Cingular Wireless PCS - IL |
| 231-239- | Wireless | Ludington | Cellco Partnership DBA Verizon Wireless |
| 231-632- | Landline | Traverse City | New Cingular Wireless PCS - IL |
| 231-484- | Landline | East Jordan | Teleport Communications America |
| 231-274- | Wireless | Traverse City | American Messaging (am) |
| 231-780- | Landline | Norton Shores | Frontier North |
| 231-731- | Landline | Shelby | Lucre |
| 231-779- | Landline | Cadillac | Ameritech Michigan |
| 231-647- | Landline | Coral | Telnet Worldwide |
| 231-604- | Landline | Kalkaska | Usa Mobility Wireless |
| 231-728- | Landline | Muskegon | Frontier North |
| 231-859- | Landline | Irons | Kaleva Telephone Company |
| 231-582- | Landline | Boyne City | Ameritech Michigan |
| 231-535- | Landline | Boyne City | Ameritech Michigan |
| 231-822- | Landline | Beulah | Telnet Worldwide |
| 231-357- | Wireless | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-605- | Landline | Newaygo | Usa Mobility Wireless |
| 231-306- | Landline | Cadillac | Telnet Worldwide |
| 231-404- | Wireless | Stanwood | New Cingular Wireless PCS - IL |
| 231-348- | Landline | Petoskey | Ameritech Michigan |
| 231-760- | Landline | Muskegon | Frontier North |
| 231-827- | Landline | Fife Lake | Lucre |
| 231-457- | Landline | Muskegon | Acd Telecom |
| 231-465- | Landline | Reed City | New Cingular Wireless PCS - IL |
| 231-378- | Landline | Thompsonville | Ace Telephone Co. Of Michigan |
| 231-384- | Wireless | Kalkaska | Cellco Partnership DBA Verizon Wireless |
| 231-408- | Landline | Big Rapids | New Cingular Wireless PCS - IL |
| 231-334- | Landline | Glen Arbor | Centurytel Of Michigan Inc DBA Centurylink |
| 231-803- | Landline | Morley | Level 3 Communications |
| 231-317- | Landline | Boyne City | Usa Mobility Wireless |
| 231-331- | Landline | Alden | Frontier North |
| 231-450- | Landline | Hesperia | New Cingular Wireless PCS - IL |
| 231-534- | Landline | Traverse City | AT&T Local |
| 231-594- | Landline | Hart | Lucre |
| 231-268- | Wireless | Cheboygan | Cellco Partnership DBA Verizon Wireless |
| 231-512- | Wireless | Traverse City | American Messaging (am) |
| 231-435- | Landline | Cadillac | Lucre |
| 231-862- | Landline | Harrietta | Ace Telephone Co. Of Michigan |
| 231-679- | Wireless | Big Rapids | Cellco Partnership DBA Verizon Wireless |
| 231-462- | Landline | Fountain | Ameritech Michigan |
| 231-514- | Wireless | Cadillac | American Messaging (am) |
| 231-938- | Landline | Traverse City | Ameritech Michigan |
| 231-383- | Wireless | Beulah | Cellco Partnership DBA Verizon Wireless |
| 231-672- | Landline | Muskegon | AT&T Local |
| 231-806- | Landline | Coral | Local Exchange Carriers Of Michigan |
| 231-215- | Wireless | Muskegon | Cellco Partnership DBA Verizon Wireless |
| 231-936- | Landline | Scottville | Long Distance Of Michigan DBA Ldmi |
| 231-865- | Landline | Fruitport | Frontier North |
| 231-292- | Landline | Whitehall | Charter Fiberlink - Michigan |
| 231-520- | Landline | Charlevoix | Local Exchange Carriers Of Michigan |
| 231-452- | Landline | Newaygo | Lucre |
| 231-286- | Wireless | Muskegon | Cellco Partnership DBA Verizon Wireless |
| 231-635- | Landline | Mackinaw City | Local Exchange Carriers Of Michigan |
| 231-373- | Wireless | Petoskey | Cellco Partnership DBA Verizon Wireless |
| 231-923- | Landline | Hart | Sprint Spectrum L.p. |
| 231-832- | Landline | Reed City | Ameritech Michigan |
| 231-361- | Landline | Morley | Telnet Worldwide |
| 231-631- | Wireless | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-697- | Landline | Bellaire | Lucre |
| 231-468- | Landline | Cadillac | Sprint Spectrum L.p. |
| 231-937- | Landline | Howard City | Frontier North |
| 231-590- | Wireless | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-290- | Landline | Indian River | New Cingular Wireless PCS - IL |
| 231-668- | Landline | Traverse City | Level 3 Communications |
| 231-875- | Landline | Fruitport | Lucre |
| 231-626- | Landline | Levering | Charter Fiberlink - Michigan |
| 231-584- | Landline | Elmira | Pigeon Telephone Co. |
| 231-265- | Unknown | Charter Fiberlink - Michigan | |
| 231-516- | Wireless | Petoskey | American Messaging (am) |
| 231-497- | Wireless | Boyne City | Sprint Spectrum L.p. |
| 231-638- | Landline | Muskegon | Sprint Spectrum L.p. |
| 231-794- | Wireless | Manistee | New Cingular Wireless PCS - IL |
| 231-299- | Wireless | Manistee | Sprint Spectrum L.p. |
| 231-628- | Wireless | Manistee | American Messaging (am) |
| 231-898- | Landline | Baldwin | Carr Telephone Co. |
| 231-622- | Landline | Petoskey | Level 3 Communications |
| 231-436- | Landline | Mackinaw City | Ameritech Michigan |
| 231-570- | Wireless | Fife Lake | New Cingular Wireless PCS - IL |
| 231-902- | Landline | Hart | Telnet Worldwide |
| 231-353- | Landline | Mc Bain | Telnet Worldwide |
| 231-640- | Wireless | Lake Ann | New Cingular Wireless PCS - IL |
| 231-695- | Landline | Howard City | Telnet Worldwide |
| 231-412- | Landline | Harbor Spgs | Bandwidth.com Clec |
| 231-224- | Landline | Fremont | Lucre |
| 231-226- | Landline | Empire | Telnet Worldwide |
| 231-613- | Wireless | Scottville | New Cingular Wireless PCS - IL |
| 231-416- | Wireless | Big Rapids | American Messaging (am) |
| 231-715- | Landline | Traverse City | New Cingular Wireless PCS - IL |
| 231-342- | Wireless | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-899- | Landline | Northport | Local Exchange Carriers Of Michigan |
| 231-307- | Landline | Morley | New Cingular Wireless PCS - IL |
| 231-757- | Landline | Scottville | Ameritech Michigan |
| 231-243- | Landline | Alanson | Telnet Worldwide |
| 231-759- | Landline | Muskegon | Frontier North |
| 231-929- | Landline | Traverse City | Ameritech Michigan |
| 231-907- | Wireless | Ludington | New Cingular Wireless PCS - IL |
| 231-333- | Landline | Cheboygan | Level 3 Communications |
| 231-441- | Landline | Fife Lake | Local Exchange Carriers Of Michigan |
| 231-549- | Landline | Boyne Falls | Centurytel Of Michigan Inc DBA Centurylink |
| 231-368- | Landline | Baldwin | Telnet Worldwide |
| 231-690- | Wireless | Ludington | Cellco Partnership DBA Verizon Wireless |
| 231-793- | Landline | White Cloud | Lucre |
| 231-352- | Landline | Frankfort | Ameritech Michigan |
| 231-766- | Landline | Muskegon | Frontier North |
| 231-758- | Landline | Petoskey | Sprint Spectrum L.p. |
| 231-344- | Landline | Petoskey | Telnet Worldwide |
| 231-747- | Landline | Muskegon | Frontier North |
| 231-388- | Wireless | Leroy | Cellco Partnership DBA Verizon Wireless |
| 231-777- | Landline | Muskegon | Frontier North |
| 231-362- | Landline | Kaleva | Kaleva Telephone Company |
| 231-667- | Wireless | Marion | New Cingular Wireless PCS - IL |
| 231-828- | Landline | Twin Lake | Frontier North |
| 231-425- | Landline | Ludington | Sprint Spectrum L.p. |
| 231-205- | Landline | Brutus | Telnet Worldwide |
| 231-680- | Landline | Reed City | Level 3 Communications |
| 231-624- | Landline | Kalkaska | Sprint Spectrum L.p. |
| 231-662- | Landline | Irons | Lucre |
| 231-836- | Landline | Evart | Local Exchange Carriers Of Michigan |
| 231-785- | Landline | Fountain | Lucre |
| 231-420- | Wireless | Cheboygan | Cellco Partnership DBA Verizon Wireless |
| 231-477- | Landline | Brethren | Kaleva Telephone Company |
| 231-326- | Landline | Empire | Centurytel Of Michigan Inc DBA Centurylink |
| 231-463- | Landline | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-202- | Wireless | Mecosta | New Cingular Wireless PCS - IL |
| 231-648- | Landline | Howard City | Lucre |
| 231-264- | Landline | Elk Rapids | Ameritech Michigan |
| 231-365- | Landline | Wolverine | Telnet Worldwide |
| 231-488- | Landline | Manistee | Local Exchange Carriers Of Michigan |
| 231-714- | Wireless | Traverse City | Cellco Partnership DBA Verizon Wireless |
| 231-683- | Landline | Muskegon | Level 3 Communications |
| 231-712- | Wireless | Muskegon | American Messaging (am) |
| 231-843- | Landline | Ludington | Frontier North |
| 231-228- | Landline | Cedar | Centurytel Of Michigan Inc DBA Centurylink |
| 231-350- | Wireless | Bellaire | Cellco Partnership DBA Verizon Wireless |
| 231-271- | Landline | Suttons Bay | Centurytel Of Michigan Inc DBA Centurylink |
| 231-863- | Landline | Scottville | Lucre |
| 231-548- | Landline | Alanson | Centurytel Of Michigan Inc DBA Centurylink |
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