The 231 area code is a telephone area code serving the northwestern portion of the Lower Peninsula in the U. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 231 area code) below and access available caller information such as name, address, and more.
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Phone numbers with area code 231 originate from the northwestern portion of the Lower Peninsula of Michigan, centered around the western half of the territory generally defined as Northern Michigan. It also includes Muskegon, which is part of West Michigan. Additionally, the 231 area code uniquely serves Bois Blanc Township, located in the Upper Peninsula.
Area code 231 is a General Purpose Code which was placed in service on January 1, 1947.
Our reverse phone lookup will analyze the three-digit prefix of any 231 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Michigan geographic region, and local calling area associated with the phone number.
| Company | Number of Prefixes |
|---|---|
| MICHIGAN BELL TEL CO | 66 |
| FRONTIER NORTH, INC. - MI | 45 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 38 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 26 |
| SPRINT SPECTRUM, L.P. | 14 |
| CENTURYTEL OF MICHIGAN, INC. DBA CENTURYLINK | 11 |
| TELNET WORLDWIDE, INC. | 7 |
| ACE TEL. CO. OF MICHIGAN, INC. | 5 |
| LEVEL 3 COMMUNICATIONS, LLC - MI | 5 |
| 123.NET, INC. | 3 |
| AT&T - LOCAL | 2 |
| BANDWIDTH.COM CLEC, LLC - MI | 2 |
| CENTURY TEL CO NORTHERN MICHIGAN DBA CENTURYLINK | 2 |
| CENTURYTEL MIDWEST-MIDWEST INC DBA CENTURYLINK | 2 |
| CHARTER FIBERLINK - MICHIGAN, LLC - MI | 2 |
| KALEVA TEL. CO. | 2 |
| LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI | 2 |
| ACD TELECOM, INC. - MI | 1 |
| AMERICAN MESSAGING SERVICES, LLC | 1 |
| CARR TEL. CO. | 1 |
| CENTURYLINK COMMUNICATIONS, LLC | 1 |
| CYNERGYCOMM.NET, INC. - MI | 1 |
| DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MI | 1 |
| ISLAND TEL. CO. | 1 |
| KALEVA TELEPHONE COMPANY - MI | 1 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 1 |
| PIGEON TEL. CO. | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 1 |
| Rate Center | Number of Prefixes |
|---|---|
| MUSKEGON | 48 |
| TRAVERSECY | 34 |
| PETOSKEY | 12 |
| BIG RAPIDS | 10 |
| CADILLAC | 9 |
| CHEBOYGAN | 6 |
| LUDINGTON | 6 |
| MANISTEE | 6 |
| NEWAYGO | 5 |
| CHARLEVOIX | 4 |
| GLEN LAKE | 4 |
| HARBOR SPG | 4 |
| HART | 4 |
| BELLAIRE | 3 |
| BEULAH | 3 |
| BOYNE CITY | 3 |
| FREMONT | 3 |
| KALKASKA | 3 |
| REED CITY | 3 |
| GRANT | 2 |
| HESPERIA | 2 |
| HONOR | 2 |
| LE ROY | 2 |
| LEVERING | 2 |
| MECOSTA | 2 |
| ONEKAMA | 2 |
| PENTWATER | 2 |
| SUTTONSBAY | 2 |
| WHITEHALL | 2 |
| ALANSON | 1 |
| ALBA | 1 |
| ALDEN | 1 |
| BALDWIN | 1 |
| BEAR LAKE | 1 |
| BOYNEFALLS | 1 |
| BRETHREN | 1 |
| BUCKLEY | 1 |
| CARR | 1 |
| CENTRAL LK | 1 |
| CHIPPEWALK | 1 |
| COPESHTNVL | 1 |
| EASTJORDAN | 1 |
| EASTPORT | 1 |
| ELK RAPIDS | 1 |
| ELLSWORTH | 1 |
| EVART | 1 |
| FALMOUTH | 1 |
| FIFE LAKE | 1 |
| FRANKFORT | 1 |
| FRUITPORT | 1 |
| HARRIETTA | 1 |
| HOLTON | 1 |
| HOWARDCITY | 1 |
| INDIAN RIV | 1 |
| INTERLOCHN | 1 |
| KINGSLEY | 1 |
| LAKE ANN | 1 |
| LAKE CITY | 1 |
| LKLEELANAU | 1 |
| LUTHER | 1 |
| MACKINAWCY | 1 |
| MANCELONA | 1 |
| MANTON | 1 |
| MARION | 1 |
| MCBAIN | 1 |
| MESICK | 1 |
| MOORESTOWN | 1 |
| MORLEY | 1 |
| NORTHPORT | 1 |
| OLDMISSION | 1 |
| PELLSTON | 1 |
| RAVENNA | 1 |
| SCOTTVILLE | 1 |
| SHELBY | 1 |
| SOBOARDMAN | 1 |
| ST JAMES | 1 |
| STANWOOD | 1 |
| TUSTIN | 1 |
| TWIN LAKE | 1 |
| WALLOON LK | 1 |
| WELLSTON | 1 |
| WHITECLOUD | 1 |
| WILLIAMSBG | 1 |
| WOLVERINE | 1 |
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