| 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 |
|---|---|---|---|
| 650-754 | Daly City | San Mateo | Landline |
| 650-252 | Palo Alto | Santa Clara | Landline |
| 650-619 | San Mateo | San Mateo | Wireless |
| 650-433 | Palo Alto | Santa Clara | Landline |
| 650-301 | Daly City | San Mateo | Landline |
| 650-897 | Moss Beach | San Mateo | Landline |
| 650-997 | Daly City | San Mateo | Landline |
| 650-697 | Millbrae | San Mateo | Landline |
| 650-268 | Pescadero | San Mateo | Landline |
| 650-879 | Pescadero | San Mateo | Landline |
| 650-444 | Palo Alto | Santa Clara | Wireless |
| 650-660 | Half Moon Bay | San Mateo | Wireless |
| 650-625 | Mountain View | Santa Clara | Landline |
| 650-725 | Palo Alto | Santa Clara | Landline |
| 650-325 | Palo Alto | Santa Clara | Landline |
| 650-302 | Millbrae | San Mateo | Wireless |
| 650-371 | San Mateo | San Mateo | Wireless |
| 650-216 | Redwood City | San Mateo | Landline |
| 650-202 | San Mateo | San Mateo | Wireless |
| 650-721 | Palo Alto | Santa Clara | Landline |