Coverage Map
Interactive
Showing coverage area for Area Code 231 in Michigan.
Top Cities
| City Name | Type |
|---|---|
| Detroit | Principal |
| New Creekcity | Principal |
| Valleyland | Principal |
| Havenfield | Principal |
| North Riverland | Principal |
| Brookpark | Principal |
| Springport | Principal |
| New Fallspark | Principal |
| Rivermouth | Principal |
| Fieldcity | Principal |
| Fieldside | Principal |
| Waterwood | Principal |
| Riverfield | Principal |
| New Fallspark | Principal |
| Valleypark | Principal |
| Fort Hillwood | Principal |
| Woodwood | Principal |
| New Ridgeton | Principal |
| Ridgemouth | Principal |
| Springfield | Principal |
| Lake Woodburg | Principal |
| Grand Woodwood | Principal |
| Creekpark | Principal |
| Valleyfield | Principal |
| Springfield | Principal |
| Springview | Principal |
| Waterland | Principal |
| Riverland | Principal |
| East Ridgeside | Principal |
| Old Havencity | Principal |
Counties Served
| County | State |
|---|---|
| Havenwood County | Michigan |
| South Valleyport County | Michigan |
| Riverland County | Michigan |
| Ridgeville County | Michigan |
| Grand Fieldport County | Michigan |
Active Phone Prefixes
Recently Assigned
| Prefix | Usage | Location | Carrier |
|---|---|---|---|
| 231-331 | Mobile | Greater Metro Area | T-Mobile |
| 231-563 | Landline | Greater Metro Area | Verizon Wireless |
| 231-741 | Landline | Greater Metro Area | AT&T |
| 231-464 | Landline | Greater Metro Area | AT&T |
| 231-910 | Landline | Greater Metro Area | AT&T |
| 231-220 | Mobile | Greater Metro Area | Verizon Wireless |
| 231-527 | Mobile | Greater Metro Area | T-Mobile |
| 231-781 | Landline | Greater Metro Area | AT&T |
| 231-975 | Mobile | Greater Metro Area | Verizon Wireless |
| 231-846 | Landline | Greater Metro Area | AT&T |
| 231-922 | Mobile | Greater Metro Area | T-Mobile |
| 231-987 | Mobile | Greater Metro Area | T-Mobile |
| 231-459 | Landline | Greater Metro Area | AT&T |
| 231-824 | Mobile | Greater Metro Area | T-Mobile |
| 231-577 | Landline | Greater Metro Area | T-Mobile |
| 231-383 | Landline | Greater Metro Area | Sprint |
| 231-903 | Landline | Greater Metro Area | AT&T |
| 231-426 | Mobile | Greater Metro Area | Sprint |
| 231-350 | Landline | Greater Metro Area | Verizon Wireless |
| 231-728 | Landline | Greater Metro Area | Sprint |
| 231-895 | Mobile | Greater Metro Area | Verizon Wireless |
| 231-227 | Landline | Greater Metro Area | T-Mobile |
| 231-739 | Mobile | Greater Metro Area | T-Mobile |
| 231-880 | Mobile | Greater Metro Area | AT&T |
| 231-664 | Mobile | Greater Metro Area | T-Mobile |
| 231-512 | Landline | Greater Metro Area | Verizon Wireless |
| 231-429 | Landline | Greater Metro Area | Verizon Wireless |
| 231-500 | Mobile | Greater Metro Area | AT&T |
| 231-521 | Landline | Greater Metro Area | Verizon Wireless |
| 231-734 | Landline | Greater Metro Area | Verizon Wireless |