600-699

600 Canadian Services

633

667 Maryland

601 Mississippi

634

668 Illinois

602 Arizona

635

669 California

603 New Hampshire

636 Missouri

670 Mariana Islands

604 British Columbia

637

671 Guam

605 South Dakota

638

672 Michigan

606 Kentucky

639

673 Maine

607 New York

640 New Jersey

674

608 Wisconsin

641 Iowa

675

609 New Jersey

642

676 Arizona

610 Pennsylvania

643

677

611 Repair Service

644

678 Georgia

612 Minnesota

645

679 Michigan

613 Ontario

646 New York

680 New York

614 Ohio

647 Ontario

681 West Virginia

615 Tennessee

648 Missouri

682 Texas

616 Michigan

649 Turks & Caicos

683

617 Massachusetts

650 California

684 American Samoa (From Int'l)

618 Illinois

651 Minnesota

685

619 California

652

686 Florida

620 Kansas

653

687

621 Nebraska

654 California

688

622

655

689 Florida

623 Arizona

656 Florida

690

624 New Jersey

657 California

691

625

658

692

626 California 

659 Alabama

693

627 California

660 Missouri 

694

628 California

661 California

695

629

662 Mississippi

696

630 Illinois

663 California

697

631 New York

664 Montserrat

698

632

665 Florida

699

666

Code active and in
mandatory use

Code in
permissive dialing

Code assigned,
but not active

Unassigned
"easy-to-recognize"

Code unassignable
due to conflict

Reserved for NANP
digit-length expansion

Geographic Relief Code
(If State Designated,
SUBJECT TO CHANGE)

General Purpose Code
(If State Designated,
SUBJECT TO CHANGE)

Data current to 01/03/08.
Please e-mail any additions, corrections or clarifications
to the contact addresses on the main page.
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