| General Information about Area Code 650 | |
|---|---|
| Country | United States |
| State / Province / Territory | California |
| Major City | San Mateo |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 650-566 | Palo Alto | Santa Clara | Landline |
| 650-794 | San Bruno | San Mateo | Landline |
| 650-784 | San Bruno | San Mateo | Wireless |
| 650-696 | San Mateo | San Mateo | Landline |
| 650-335 | Mountain View | Santa Clara | Landline |
| 650-452 | San Francisco | San Francisco | Landline |
| 650-635 | San Bruno | San Mateo | Landline |
| 650-481 | Redwood City | San Mateo | Landline |
| 650-575 | Palo Alto | Santa Clara | Wireless |
| 650-847 | Palo Alto | Santa Clara | Landline |
| 650-856 | Palo Alto | Santa Clara | Landline |
| 650-690 | Palo Alto | Santa Clara | Landline |
| 650-662 | La Honda | San Mateo | Landline |
| 650-900 | San Jose | Santa Clara | Landline |
| 650-850 | Redwood City | San Mateo | Landline |
| 650-881 | Pescadero | San Mateo | Landline |
| 650-359 | Pacifica | San Mateo | Landline |
| 650-967 | Mountain View | Santa Clara | Landline |
| 650-330 | Palo Alto | Santa Clara | Landline |
| 650-557 | Pacifica | San Mateo | Landline |