| 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 |
|---|---|---|---|
| 650-747 | La Honda | San Mateo | Landline |
| 650-226 | Redwood City | San Mateo | Landline |
| 650-766 | San Mateo | San Mateo | Wireless |
| 650-208 | Redwood City | San Mateo | Wireless |
| 650-245 | San Mateo | San Mateo | Wireless |
| 650-637 | San Carlos | San Mateo | Landline |
| 650-485 | Palo Alto | Santa Clara | Landline |
| 650-758 | Daly City | San Mateo | Landline |
| 650-253 | Mountain View | Santa Clara | Landline |
| 650-425 | San Mateo | San Mateo | Landline |
| 650-941 | Los Altos | Santa Clara | Landline |
| 650-577 | San Mateo | San Mateo | Landline |
| 650-438 | San Bruno | San Mateo | Wireless |
| 650-404 | Mountain View | Santa Clara | Landline |
| 650-214 | Mountain View | Santa Clara | Landline |
| 650-247 | Palo Alto | Santa Clara | Wireless |
| 650-276 | Half Moon Bay | San Mateo | Landline |
| 650-621 | Palo Alto | Santa Clara | Landline |
| 650-506 | San Carlos | San Mateo | Landline |
| 650-968 | Mountain View | Santa Clara | Landline |