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  2. 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.

    • 1
    • 011
    • +1 NXX NXX-XXXX
  3. North American NPA NXX Lookup. Central Office Details From NPA NXX. This lookup uses the North American NPA NXX Wire Center Edition Database and supplemental data to find the Wire Center, Rate Center, locality, LATA, carrier, and other details associated with any United States or Canadian NPA NXX combination.

  4. 1-800-425-1169. Area Code Lookup - NPA NXX. Lookup any area code by area code, prefix, city, state, zip code, county or any of the fields shown above. Only one field needs to be entered but you can filter the results by entering information in additional fields. Area Code Lookup.

  5. Jul 14, 2005 · NPA-NXX-XXXX. Specifically: NPA identifies the 3-digit Numbering Plan Area (Area Code) NXX identifies the Central Office (aka. Exchange) within the NPA; XXXX identifies the Station within the NXX

  6. Oct 30, 2023 · Watch on. NPA and NXX are standard industry terms that you may hear thrown around a lot when ordering or porting phone numbers. What is NPA? NPA stands for Numbering Plan Area. It's often used interchangeably with the area code, which is a three-digit number that identifies the phone service region.

  7. North American Numbering Plan Administrator. Stay connected with the latest in numbering news, events and activities! 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,

  8. Feb 28, 2024 · NXX (Central Office Code) #. The first three digits of a local seven-digit telephone number. Assigned to a specific switch in a central office. Together, the NPA-NXX denotes the original carrier and central office switch assigned to a particular number.

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