Non-geographic Telephone
Codes for North America

456 International inbound 56K data (for ISDN use) (discontinued) []
500 Non-geographic Services
521 Non-geographic Services
522 Non-geographic Services
523 Non-geographic Services
524 Non-geographic Services
525 Non-geographic Services
526 Non-geographic Services
527 Non-geographic Services, effective
528 Non-geographic Services, effective
529 Non-geographic Services, effective
(532) future Non-geographic Services, circa ?
533 Non-geographic Services
(535) future Non-geographic Services
(538) future Non-geographic Services
544 Non-geographic Services
566 Non-geographic Services
577 Non-geographic Services
588 Non-geographic Services
600 🇨🇦 Canadian non-geographic services, including caller-pays cellular (within Canada only)
622 🇨🇦 Canadian non-geographic services (expansion of 600) (within Canada only)
(633) 🇨🇦 future Canadian non-geographic services, circa 2023
(644) 🇨🇦 future Canadian non-geographic services, circa 2025
700 Carrier-specific services (generally not toll-free)
710 🇺🇸 U.S. Federal Government (authorized users only)
800 Toll-free
(822) future toll-free (implementation not yet scheduled)
833 Toll-free
844 Toll-free
855 Toll-free
866 Toll-free
877 Toll-free
880 Paid international calls to +1 800 (discontinued)
881 Paid international calls to +1 888 (discontinued)
882 Paid international calls to +1 877 (discontinued)
888 Toll-free
900 Information services