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 |
|---|---|---|---|
| 657-855 | Mobile | Greater Metro Area | Sprint |
| 657-896 | Landline | Greater Metro Area | Verizon Wireless |
| 657-653 | Mobile | Greater Metro Area | Sprint |
| 657-485 | Landline | Greater Metro Area | Verizon Wireless |
| 657-923 | Landline | Greater Metro Area | Sprint |
| 657-659 | Landline | Greater Metro Area | Verizon Wireless |
| 657-889 | Landline | Greater Metro Area | Sprint |
| 657-876 | Landline | Greater Metro Area | T-Mobile |
| 657-987 | Mobile | Greater Metro Area | AT&T |
| 657-809 | Mobile | Greater Metro Area | AT&T |
| 657-823 | Mobile | Greater Metro Area | AT&T |
| 657-388 | Landline | Greater Metro Area | T-Mobile |
| 657-477 | Mobile | Greater Metro Area | T-Mobile |
| 657-508 | Mobile | Greater Metro Area | T-Mobile |
| 657-615 | Landline | Greater Metro Area | AT&T |
| 657-784 | Mobile | Greater Metro Area | AT&T |
| 657-350 | Landline | Greater Metro Area | Sprint |
| 657-430 | Mobile | Greater Metro Area | T-Mobile |
| 657-753 | Landline | Greater Metro Area | T-Mobile |
| 657-670 | Landline | Greater Metro Area | AT&T |
| 657-944 | Mobile | Greater Metro Area | AT&T |
| 657-403 | Landline | Greater Metro Area | Sprint |
| 657-474 | Landline | Greater Metro Area | Sprint |
| 657-327 | Mobile | Greater Metro Area | AT&T |
| 657-587 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-595 | Landline | Greater Metro Area | Sprint |
| 657-630 | Mobile | Greater Metro Area | Verizon Wireless |
| 657-588 | Landline | Greater Metro Area | Sprint |
| 657-549 | Mobile | Greater Metro Area | Sprint |
| 657-698 | Mobile | Greater Metro Area | Verizon Wireless |