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      • North American phone numbers are in the format (where N is any digit from 2-9, and X from 0-9): 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
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      The North American Numbering Plan (NANP) - VoIP-Info

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  3. support.bandwidth.com › hc › en-usWhat do the terms NPA and NXX mean? - Bandwidth Support Center

    Oct 30, 2023 · 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.

  4. en.wikipedia.org › wiki › North_American_Numbering_PlanNorth American Numbering Plan - Wikipedia

    Format. NYX NXX-XXXX. Access codes. Country code. 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.

  5. www.voip-info.org › npa-nxxThe North American Numbering Plan (NANP) - VoIP-Info

    Jul 14, 2005 · North American phone numbers are in the format (where N is any digit from 2-9, and X from 0-9): NPA-NXX-XXXX. Specifically: NPA identifies the 3-digit Numbering Plan Area (Area Code) NXX identifies the Central Office (aka. Exchange) within the NPA.

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  7. en.wikipedia.org › wiki › North_American_NumberingNorth American Numbering Plan expansion - Wikipedia

    North American Numbering Plan expansion. The expansion of the North American Numbering Plan (NANP) is the anticipated requirement for providing more telephone numbers to accommodate future needs beyond the pool of ten-digit telephone numbers.

  8. trestleiq.com › knowledge-base › understanding-npaUnderstanding NPA-NXX and the Implications of Number Portability

    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.

  9. www.mycountrymobile.com › npa-nxxWhat Is NPA NXX? Decoding The Secrets Of Phone Numbers

    The NPA-NXX format is the core of the North American Numbering Plan (NANP). It systematically organizes phone numbers to ensure unique numbers for every phone line and enables smooth, efficient routing of calls.

  10. www.globalcallforwarding.com › learn › nanp-northNANP: The North American Numbering Plan Explained

    Dec 28, 2020 · The format is usually represented as: +1 NXX-NXX-XXXX. Which Countries are Included in the NANP? Anguilla: 264. Antigua & Barbuda: 268. Bahamas (the): 242. Barbados: 246. Bermuda: 441. British Virgin Islands (the): 284. Canada: multiple local area codes. Cayman Islands (the): 345. Dominica: 767. Dominican Republic (the): 809/829/849. Grenada: 473.

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