Portola valley Area Code
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Portola valley, CA area code
Portola valley, CA is served by area code 650. This area code was initially assigned on 22-NOV-96 and has been in continuous service since 02-AUG-97, supporting the city's growing communication needs over the years.
| City Name | Portola valley, CA |
| Area Code | 650 |
| State | California |
| Country | United State |
| Time Zone | Pacific Standard Time (PST) |
| Code Type | General Purpose Code |
| In Service | Yes |
| Assignment Date | 22-NOV-96 |
| In Service Date | 02-AUG-97 |
