All Possible Area and Other Codes (600-699)
(assigned, not assigned, special, etc.)

The "North American Numbering Plan" has a myriad of area and special codes. This page covers all "possible" codes and other codes in the 600-699 range along with their status.

Important note: The status of area and other codes is constantly changing. This is the latest information we have.

codes in the 200-299 range
codes in the 300-399 range
codes in the 400-499 range
codes in the 500-599 range
codes in the 600-699 range - THIS PAGE
codes in the 700-799 range
codes in the 800-899 range
codes in the 900-999 range

Code
Description
600 (Canadian non-geographic, mobile uses - caller pays)
601 Mississippi
602 Arizona
603 New Hampshire
604 British Columbia
605 South Dakota
606 Kentucky
607 New York
608 Wisconsin
609 New Jersey
610 Pennsylvania
611 (not an area code - telephone repair services, wireless customer services - dial 3 digits)
612 Minnesota
613 Ontario
614 Ohio
615 Tennessee
616 Michigan
617 Massachusetts
618 Illinois
619 California
620 Kansas
621 (not assigned)
622 (Canadian non-geographic)
623 Arizona
624 (not assigned)
625 (not assigned)
626 California
627 (not assigned)
628 California
629 Tennessee
630 Illinois
631 New York
632 (not assigned)
633 (reserved for Canada)
634 (not assigned)
635 (not assigned)
636 Missouri
637 (not assigned)
638 (not assigned)
639 Saskatchewan
640 (not assigned)
641 Iowa
642 (not assigned)
643 (not assigned)
644 (reserved for Canada)
645 (not assigned)
646 New York
647 Ontario
648 (not assigned)
649 Turks & Caicos Islands
650 California
651 Minnesota
652 (not assigned)
653 (not assigned)
654 (not assigned)
655 (reserved for Canada)
656 (not assigned)
657 California
658 (reserved for Jamaica)
659 (reserved for Alabama)
660 Missouri
661 California
662 Mississippi
663 (not assigned)
664 Montserrat
665 (not assigned)
666 (reserved - easily recognizable number)
667 Maryland
668 (not assigned)
669 California
670 Northern Marianna Islands
671 Guam
672 (reserved for British Columbia)
673 (not assigned)
674 (not assigned)
675 (not assigned)
676 (not assigned)
677 (reserved for Canada)
678 Georgia
679 (reserved for Michigan)
680 New York
681 West Virginia
682 Texas
683 (reserved for Ontario)
684 American Samoa
685 (not assigned)
686 (not assigned)
687 (not assigned)
688 (reserved for Canada)
689 (not assigned)
690 (reserved for possible numbering expansion in the future)
691 (reserved for possible numbering expansion in the future)
692 (reserved for possible numbering expansion in the future)
693 (reserved for possible numbering expansion in the future)
694 (reserved for possible numbering expansion in the future)
695 (reserved for possible numbering expansion in the future)
696 (reserved for possible numbering expansion in the future)
697 (reserved for possible numbering expansion in the future)
698 (reserved for possible numbering expansion in the future)
699 (reserved for possible numbering expansion in the future)

codes in the 200-299 range
codes in the 300-399 range
codes in the 400-499 range
codes in the 500-599 range
codes in the 600-699 range - THIS PAGE
codes in the 700-799 range
codes in the 800-899 range
codes in the 900-999 range