Coverage Map
Interactive
Showing coverage area for Area Code 657 in California.
Top Cities
| City Name | Type |
|---|---|
| Los Angeles | Principal |
| Old Waterwood | Principal |
| Waterland | Principal |
| Springport | Principal |
| Grand Brookville | Principal |
| Mount Viewfield | Principal |
| Valleyland | Principal |
| Creekville | Principal |
| Brookpark | Principal |
| Woodmouth | Principal |
| West Fieldcity | Principal |
| Riverview | Principal |
| Viewwood | Principal |
| Woodport | Principal |
| Lake Ridgefield | Principal |
| Havenburg | Principal |
| Ridgeview | Principal |
| North Creekport | Principal |
| Viewpark | Principal |
| Riverfield | Principal |
| Fallsside | Principal |
| Fallsview | Principal |
| Fieldport | Principal |
| Old Fieldmouth | Principal |
| Valleyfield | Principal |
| Creekfield | Principal |
| Havenview | Principal |
| South Brookmouth | Principal |
| Havenview | Principal |
| Ridgefield | Principal |
Counties Served
| County | State |
|---|---|
| Springcity County | California |
| Mount Fallsport County | California |
| Woodwood County | California |
| Hillwood County | California |
| Old Springpark County | California |
Active Phone Prefixes
Recently Assigned
| Prefix | Usage | Location | Carrier |
|---|---|---|---|
| 657-989 | Mobile | Greater Metro Area | T-Mobile |
| 657-298 | Mobile | Greater Metro Area | Sprint |
| 657-594 | Landline | Greater Metro Area | Sprint |
| 657-761 | Landline | Greater Metro Area | AT&T |
| 657-284 | Landline | Greater Metro Area | Verizon Wireless |
| 657-213 | Landline | Greater Metro Area | AT&T |
| 657-366 | Mobile | Greater Metro Area | AT&T |
| 657-601 | Landline | Greater Metro Area | AT&T |
| 657-432 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-503 | Mobile | Greater Metro Area | Sprint |
| 657-683 | Landline | Greater Metro Area | T-Mobile |
| 657-967 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-241 | Landline | Greater Metro Area | AT&T |
| 657-491 | Mobile | Greater Metro Area | T-Mobile |
| 657-333 | Landline | Greater Metro Area | T-Mobile |
| 657-858 | Landline | Greater Metro Area | Verizon Wireless |
| 657-916 | Mobile | Greater Metro Area | Sprint |
| 657-327 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-286 | Landline | Greater Metro Area | T-Mobile |
| 657-597 | Landline | Greater Metro Area | T-Mobile |
| 657-870 | Landline | Greater Metro Area | Verizon Wireless |
| 657-773 | Mobile | Greater Metro Area | Sprint |
| 657-575 | Landline | Greater Metro Area | Sprint |
| 657-783 | Mobile | Greater Metro Area | Sprint |
| 657-779 | Landline | Greater Metro Area | Verizon Wireless |
| 657-633 | Mobile | Greater Metro Area | AT&T |
| 657-236 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-317 | Landline | Greater Metro Area | T-Mobile |
| 657-379 | Mobile | Greater Metro Area | T-Mobile |
| 657-966 | Mobile | Greater Metro Area | Verizon Wireless |