Resultado de búsqueda
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...
- Telephone numbering plan - Wikipedia
A closed numbering plan, as found in North America, features...
- 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.
Learn about the history, scope and format of the NANP, an integrated telephone numbering plan serving 20 North American countries. The NANP was developed by AT&T in 1947 and conforms with ITU standard E.164.