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What is the North American numbering plan (NANP)?
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What is a North American area code?
What is a numbering plan area code?
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.
- List of North American Numbering Plan area codes - Simple ...
This is a list of North American telephone area codes in...
- List of North American Numbering Plan area codes - Wikipedia
Each NPA is identified by one or more numbering plan area...
- 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 - Simple ...
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.
National telephone numbers are defined by national or regional numbering plans, such as the European Telephony Numbering Space, the North American Numbering Plan (NANP), or the UK number plan. Within a national numbering plan, a complete destination telephone number is typically composed of an area code and a subscriber telephone number.
A telephone numbering plan is a system used in telecommunications to give telephone numbers to customers and to route telephone calls in a telephone network. A closed numbering plan imposes a fixed length to numbers, such as in North America (10-digit). An open numbering plan may have telephone numbers that vary in length.
