| General Information about Area Code 657 | |
|---|---|
| Country | United States |
| State / Province / Territory | California |
| Major City | Huntington Beach |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 657-256 | Los Alamitos | Orange | Landline |
| 657-257 | - | - | - |
| 657-276 | Orange | Orange | - |
| 657-258 | Placentia | Orange | Landline |
| 657-237 | Huntington Beach | Orange | Landline |
| 657-363 | Yorba Linda | Orange | Wireless |
| 657-214 | Cypress | Orange | Landline |
| 657-204 | Huntington Beach | Orange | Landline |
| 657-400 | Westminster | Orange | Landline |
| 657-247 | Santa Ana | Orange | Landline |
| 657-248 | Fullerton | Orange | Wireless |
| 657-330 | Fullerton | Orange | Landline |
| 657-286 | Orange | Orange | - |
| 657-291 | Orange | Orange | - |
| 657-529 | Buena Park | Orange | Landline |
| 657-465 | Anaheim | Orange | Landline |
| 657-238 | Los Alamitos | Orange | Wireless |
| 657-264 | Santa Ana | Orange | Wireless |
| 657-282 | Orange | Orange | Landline |
| 657-667 | Garden Grove | Orange | Landline |