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1. International access. 011. List of dialing codes. 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 ...
- 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 ...
The area to which an area code is officially assigned is...
- Original North American area codes - Wikipedia
The original configuration of the North American Numbering...
- Telephone numbering plan - Simple English Wikipedia, the free ...
A telephone numbering plan is a system used in...
- 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
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.
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