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  1. The North American Numbering Plan was devised in the 1940s, was implemented in 1947, and has provided customer direct-dialed long-distance telephone service since 1951.

    North American Numbering Plan expansion - Wikipedia

    https://en.wikipedia.org/wiki/North_American_numbering_plan_expansion
  2. People also ask

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  3. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    The North American Numbering Plan (NANP) is a telephone numbering plan for World Zone 1, which comprises twenty-five distinct regions in twenty countries primarily in North America, including the Caribbean. Some North American countries, most notably Mexico, do not participate in the NANP.

  4. North American Numbering Plan - Simple English Wikipedia, the ...

    simple.wikipedia.org/wiki/North_American...

    From Simple English Wikipedia, the free encyclopedia The North American Numbering Plan (NANP) is a telephone numbering plan. It includes 24 countries and territories, including the United States, Canada, Bermuda, and 17 nations of the Caribbean. There are three-digit area codes and seven-digit telephone numbers.

  5. North American Numbering Plan expansion - Wikipedia

    en.wikipedia.org/wiki/North_American_numbering...

    The North American Numbering Plan was devised in the 1940s, was implemented in 1947, and has provided customer direct-dialed long-distance telephone service since 1951.

  6. Category:North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/Category:North_American...

    Pages in category "North American Numbering Plan" The following 22 pages are in this category, out of 22 total. This list may not reflect recent changes ().

  7. List of North American Numbering Plan area codes - Simple ...

    simple.wikipedia.org/wiki/List_of_North_American...

    This is a list of North American telephone area codes in effect for the North American Numbering Plan. The area to which an area code is officially assigned is known as a Numbering Plan Area. An area code is part of a telephone number in the United States, Canada, and the Caribbean. It is the part of the telephone number after the county code. For example, in the number 1-562-555-5555, the 1 is the country code, and 562 is the area code. An area code is typically assigned to a state, city or reg

    State
    Codes
    205 (Birmingham, Tuscaloosa) 251 (Mobile, Jackson, Gulf Shores) 256/938 (Huntsville, Anniston, Florence) 334 (Montgomery, Dothan, Selma)
    907 (all of Alaska)
    480 (Mesa, Scottsdale, Tempe) 520 (Tucson, Nogales, Bisbee) 602 (Phoenix) 623 (Glendale, Sun City, Peoria) 928 (Flagstaff, Yuma, Prescott)
    479 (Fayetteville, Fort Smith) 501 (Little Rock, Hot Springs) 870 (Pine Bluff, Jonesboro, Texarkana)
  8. Kế hoạch đánh số điện thoại của Bắc Mỹ (tiếng Anh: North American Numbering Plan, viết tắt là NANP) là một kế hoạch đánh số điện thoại đó bao gồm hai mươi lăm khu vực riêng biệt trong hai mươi quốc gia chủ yếu ở Bắc Mỹ, bao gồm cả vùng biển Caribe.

  9. Jul 27, 2020 · 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, the US and its territories, and some Caribbean countries.

  10. NANPA : Area Code Map - North American Numbering Plan

    www.nationalnanpa.com/area_code_maps/ac_map...

    Area Codes Map For U.S. area code maps, select a state either by clicking on the map or in the alphabetical list below. These maps have been specifically designed to be legible enough to read, but with small enough file sizes to permit efficient downloading.

  11. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    The traditional convention for phone numbers is (0AA) NXX-XXXX, where 0AA is the area code and NXX-XXXX is the subscriber number. This number format is very similar to the North American numbering plan, but the country has a trunk code of 0 instead of 1, so international callers (using +81) do not have to dial the trunk code 0 when calling to ...