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The North American Numbering Plan ( NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably Mexico, do not participate with the NANP.
- List of North American Numbering Plan area codes - Wikipedia
The North American Numbering Plan (NANP) divides the...
- List of North American Numbering Plan area codes - Simple ...
This is a list of North American telephone area codes in...
- North American Numbering Plan expansion - Wikipedia
The expansion of the North American Numbering Plan (NANP) is...
- Original North American area codes - Wikipedia
A fundamental requirement for the success of automated toll...
- North American Numbering Plan - Simple English Wikipedia, the ...
The North American Numbering Plan (NANP) is a telephone...
- List of North American Numbering Plan area codes - Wikipedia
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.
