About MyCodeArea
MyCodeArea is a free, accurate directory of all active US telephone area codes. The site covers all 360+ geographic and toll-free area codes assigned by NANPA (North American Numbering Plan Administration).
What This Site Covers
- Location and state for every US area code
- Cities and regions served by each code
- Time zone information (including UTC offset)
- Overlay and parent code relationships
- Toll-free prefixes (800, 833, 844, 855, 866, 877, 888)
- Year each code was introduced
Data Sources
Area code data is based on publicly available NANPA (North American Numbering Plan Administration) assignments. NANPA is the administrator of the North American Numbering Plan, which governs telephone numbering in the US, Canada, and other NANP territories.
Information is reviewed regularly to reflect new, retired, and modified codes. All data is informational only — for official NANPA records visit nationalnanpa.com.
Tools Available
- Area Code Lookup — search by code number, city, or state
- Full Area Code Directory — filterable table of all 360+ codes
- ZIP Code Lookup — find city, state, and county for any ZIP
- Reverse Phone Lookup — identify a number's area code origin
- Toll-Free Numbers Guide — 800, 833, 844, 855, 866, 877, 888