Area Code 650 is located in the state of California.
The California`s major city is San Mateo
The state of California is in Pacific timezone.
More important cities in California:
Belmont, CA; Burlingame, CA; Daly City, CA; East Palo Alto, CA; Foster City, CA; Los Altos, CA; Menlo Park, CA; Millbrae, CA; Mountain View, CA; Pacifica, CA; Palo Alto, CA; Redwood City, CA; San Bruno, CA; San Carlos, CA; San Mateo, CA; South San Francisco, CA;
Prefixes within the 650 Area Code what we have in our database.
| Prefix | Primary City | County | Usage |
| (650) 550 | Colma, CA | San Mateo | Landline |
| (650) 551 | San Carlos, CA | San Mateo | Landline |
| (650) 552 | Millbrae, CA | San Mateo | Landline |
| (650) 553 | San Bruno, CA | San Mateo | Landline |
| (650) 554 | San Mateo, CA | San Mateo | Landline |
| (650) 556 | Redwood City, CA | San Mateo | Landline |
| (650) 557 | Pacifica, CA | San Mateo | Landline |
| (650) 558 | San Mateo, CA | San Mateo | Landline |
| (650) 559 | Los Altos, CA | Santa Clara | Landline |
| (650) 560 | Half Moon Bay, CA | San Mateo | Landline |
| (650) 561 | Palo Alto, CA | Santa Clara | Landline |
| (650) 562 | Redwood City, CA | San Mateo | Landline |
| (650) 563 | Moss Beach, CA | San Mateo | Landline |
| (650) 564 | Mountain View, CA | Santa Clara | Landline |
| (650) 565 | Palo Alto, CA | Santa Clara | Landline |
| (650) 566 | Palo Alto, CA | Santa Clara | Landline |
| (650) 567 | Mountain View, CA | Santa Clara | Landline |
| (650) 568 | Redwood City, CA | San Mateo | Landline |
| (650) 569 | Redwood City, CA | San Mateo | Landline |
| (650) 570 | San Mateo, CA | San Mateo | Landline |
| (650) 571 | San Mateo, CA | San Mateo | Landline |
| (650) 572 | San Mateo, CA | San Mateo | Landline |
| (650) 573 | San Mateo, CA | San Mateo | Landline |
| (650) 574 | San Mateo, CA | San Mateo | Landline |
| (650) 575 | Palo Alto, CA | Santa Clara | Cell Number |
| (650) 576 | San Mateo, CA | San Mateo | Cell Number |
| (650) 577 | San Mateo, CA | San Mateo | Landline |
| (650) 578 | San Mateo, CA | San Mateo | Landline |
| (650) 579 | San Mateo, CA | San Mateo | Landline |
| (650) 580 | San Bruno, CA | San Mateo | Cell Number |
| (650) 581 | San Mateo, CA | San Mateo | Landline |
| (650) 583 | San Bruno, CA | San Mateo | Landline |
| (650) 584 | Mountain View, CA | Santa Clara | Landline |
| (650) 585 | San Carlos, CA | San Mateo | Landline |
| (650) 587 | Redwood City, CA | San Mateo | Landline |
| (650) 588 | San Bruno, CA | San Mateo | Landline |
| (650) 589 | San Bruno, CA | San Mateo | Landline |
| (650) 590 | San Carlos, CA | San Mateo | Landline |
| (650) 591 | San Carlos, CA | San Mateo | Landline |
| (650) 592 | San Carlos, CA | San Mateo | Landline |
| (650) 593 | San Carlos, CA | San Mateo | Landline |
| (650) 594 | San Carlos, CA | San Mateo | Landline |
| (650) 595 | San Carlos, CA | San Mateo | Landline |
| (650) 596 | San Carlos, CA | San Mateo | Landline |
| (650) 597 | San Carlos, CA | Not filled | Unknown |
| (650) 598 | San Carlos, CA | San Mateo | Landline |
| (650) 599 | Redwood City, CA | San Mateo | Landline |
| (650) 603 | Mountain View, CA | Santa Clara | Landline |
| (650) 604 | Mountain View, CA | Santa Clara | Landline |
| (650) 605 | Mountain View, CA | Santa Clara | Landline |
| (650) 607 | San Carlos, CA | San Mateo | Landline |
| (650) 610 | San Carlos, CA | San Mateo | Landline |
| (650) 612 | San Mateo, CA | San Mateo | Cell Number |
| (650) 614 | Palo Alto, CA | Santa Clara | Landline |
| (650) 615 | San Bruno, CA | San Mateo | Landline |
| (650) 616 | San Bruno, CA | San Mateo | Landline |
| (650) 617 | Palo Alto, CA | Santa Clara | Landline |
| (650) 618 | Palo Alto, CA | Santa Clara | Landline |
| (650) 619 | San Mateo, CA | San Mateo | Cell Number |
| (650) 620 | San Carlos, CA | San Mateo | Landline |
| (650) 621 | Palo Alto, CA | Santa Clara | Landline |
| (650) 622 | San Carlos, CA | San Mateo | Landline |
| (650) 623 | Mountain View, CA | Santa Clara | Landline |
| (650) 624 | San Bruno, CA | San Mateo | Landline |
| (650) 625 | Mountain View, CA | Santa Clara | Landline |
| (650) 627 | San Mateo, CA | San Mateo | Landline |
| (650) 628 | San Carlos, CA | San Mateo | Landline |
| (650) 630 | Palo Alto, CA | Santa Clara | Cell Number |
| (650) 631 | San Carlos, CA | San Mateo | Landline |
| (650) 632 | San Carlos, CA | San Mateo | Landline |
| (650) 633 | San Carlos, CA | San Mateo | Landline |
| (650) 634 | San Bruno, CA | San Mateo | Landline |
| (650) 635 | San Bruno, CA | San Mateo | Landline |
| (650) 636 | San Francisco, CA | San Francisco | Landline |
| (650) 637 | San Carlos, CA | San Mateo | Landline |
| (650) 638 | San Mateo, CA | San Mateo | Landline |
| (650) 639 | San Mateo, CA | San Mateo | Cell Number |
| (650) 641 | Mountain View, CA | Santa Clara | Landline |
| (650) 642 | San Mateo, CA | San Mateo | Cell Number |
| (650) 644 | Palo Alto, CA | Santa Clara | Landline |
| (650) 645 | San Mateo, CA | San Mateo | Landline |
| (650) 646 | Palo Alto, CA | Santa Clara | Cell Number |
| (650) 648 | San Francisco, CA | San Francisco | Landline |
| (650) 649 | Redwood City, CA | San Mateo | Landline |
| (650) 651 | Millbrae, CA | San Mateo | Landline |
| (650) 652 | Millbrae, CA | San Mateo | Landline |
| (650) 653 | Redwood City, CA | San Mateo | Landline |
| (650) 654 | San Carlos, CA | San Mateo | Landline |
| (650) 655 | San Mateo, CA | San Mateo | Landline |
| (650) 662 | La Honda, CA | San Mateo | Landline |
| (650) 669 | Mountain View, CA | Santa Clara | Cell Number |
| (650) 670 | Redwood City, CA | San Mateo | Cell Number |
| (650) 673 | La Honda, CA | Not filled | Unknown |
| (650) 676 | S San Fran, CA | San Mateo | Landline |
| (650) 678 | San Mateo, CA | San Mateo | Cell Number |
| (650) 679 | Redwood City, CA | San Mateo | Landline |
| (650) 681 | Palo Alto, CA | Santa Clara | Landline |
| (650) 682 | Palo Alto, CA | Santa Clara | Cell Number |
| (650) 683 | Woodside, CA | San Mateo | Cell Number |
| (650) 684 | Millbrae, CA | San Mateo | Landline |
We have 597 Prefixes in our database.