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 |
|---|---|---|---|
| 657-776 | Landline | Greater Metro Area | T-Mobile |
| 657-488 | Landline | Greater Metro Area | Sprint |
| 657-251 | Mobile | Greater Metro Area | Sprint |
| 657-958 | Landline | Greater Metro Area | Sprint |
| 657-342 | Landline | Greater Metro Area | Sprint |
| 657-528 | Mobile | Greater Metro Area | AT&T |
| 657-374 | Mobile | Greater Metro Area | Sprint |
| 657-659 | Mobile | Greater Metro Area | T-Mobile |
| 657-370 | Landline | Greater Metro Area | Verizon Wireless |
| 657-833 | Landline | Greater Metro Area | AT&T |
| 657-511 | Landline | Greater Metro Area | T-Mobile |
| 657-484 | Landline | Greater Metro Area | AT&T |
| 657-230 | Landline | Greater Metro Area | Verizon Wireless |
| 657-713 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-339 | Mobile | Greater Metro Area | Sprint |
| 657-922 | Mobile | Greater Metro Area | T-Mobile |
| 657-971 | Mobile | Greater Metro Area | T-Mobile |
| 657-253 | Landline | Greater Metro Area | Verizon Wireless |
| 657-484 | Landline | Greater Metro Area | AT&T |
| 657-699 | Mobile | Greater Metro Area | AT&T |
| 657-426 | Mobile | Greater Metro Area | T-Mobile |
| 657-489 | Landline | Greater Metro Area | AT&T |
| 657-383 | Mobile | Greater Metro Area | T-Mobile |
| 657-809 | Mobile | Greater Metro Area | T-Mobile |
| 657-590 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-991 | Mobile | Greater Metro Area | T-Mobile |
| 657-678 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-369 | Landline | Greater Metro Area | AT&T |
| 657-307 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-842 | Mobile | Greater Metro Area | Sprint |