North American Numbering Plan Administrator

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This site provides information about the North American Numbering Plan (NANP) and its administration.
The NANP is the numbering plan for the Public Switched Telephone Network for Canada,
the US and its territories, and some Caribbean countries.

Transition to 10-Digit dialing for 988 More Information NANPA Web Guide NANPA Help Desk

NANPA Fast Track

Area Code Map

Area Code Map
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