The NANP divides the territories of its members into numbering plan areas (NPAs) which are encoded numerically with a three-digit telephone number prefix, ...
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The North American Numbering Plan (NANP) is a telephone numbering plan. It includes 24 countries and territories, including the United States, Canada, ...
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888.
The new numbering plan established a uniform destination addressing and call routing system for all telephone networks in North America which had become an ...
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony ...
North American Numbering Council · List of North American Numbering Plan area codes · North American Numbering Plan expansion · Telephone number pooling ...
This is a list of North American telephone area codes in effect for the North American Numbering Plan (NANP). The area to which an area code is officially ...
The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries.