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 |
|---|---|---|---|
| 231-524 | Mobile | Greater Metro Area | Verizon Wireless |
| 231-291 | Landline | Greater Metro Area | Sprint |
| 231-918 | Landline | Greater Metro Area | AT&T |
| 231-920 | Landline | Greater Metro Area | Sprint |
| 231-998 | Mobile | Greater Metro Area | AT&T |
| 231-309 | Landline | Greater Metro Area | Sprint |
| 231-279 | Landline | Greater Metro Area | AT&T |
| 231-293 | Mobile | Greater Metro Area | Sprint |
| 231-583 | Mobile | Greater Metro Area | T-Mobile |
| 231-231 | Mobile | Greater Metro Area | Verizon Wireless |
| 231-962 | Landline | Greater Metro Area | Sprint |
| 231-512 | Landline | Greater Metro Area | T-Mobile |
| 231-477 | Landline | Greater Metro Area | Sprint |
| 231-802 | Landline | Greater Metro Area | Verizon Wireless |
| 231-283 | Mobile | Greater Metro Area | T-Mobile |
| 231-699 | Landline | Greater Metro Area | Sprint |
| 231-564 | Landline | Greater Metro Area | Verizon Wireless |
| 231-411 | Mobile | Greater Metro Area | Verizon Wireless |
| 231-277 | Mobile | Greater Metro Area | AT&T |
| 231-315 | Landline | Greater Metro Area | Verizon Wireless |
| 231-467 | Mobile | Greater Metro Area | T-Mobile |
| 231-693 | Mobile | Greater Metro Area | Sprint |
| 231-690 | Landline | Greater Metro Area | Sprint |
| 231-357 | Mobile | Greater Metro Area | Verizon Wireless |
| 231-805 | Landline | Greater Metro Area | Verizon Wireless |
| 231-481 | Landline | Greater Metro Area | T-Mobile |
| 231-266 | Landline | Greater Metro Area | Sprint |
| 231-850 | Mobile | Greater Metro Area | AT&T |
| 231-573 | Mobile | Greater Metro Area | Verizon Wireless |
| 231-837 | Mobile | Greater Metro Area | T-Mobile |