| 657 Area Code Basic Information | |
|---|---|
| Area Code | 657 |
| Location | CA |
| Country | US |
| In Service Date | 2008-09-23 |
| Service Length | 17 years |
| Overlay Area Code? | Yes |
| Overlay Area Codes | 657 714 |
| Parent Area Code | 714 |
| Time Zone | P |
| Map | 368 |
| Area code in jeopardy? | No |
The following section explains how to dial outbound numbers from this area code.