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  2. List of Florida area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Florida_area_codes

    When the original North American area codes were introduced for a nationwide telephone numbering plan in 1947, the entire state was a single numbering plan area (NPA) with area code 305. In 1953, area code 813 was introduced for the western coast of Florida, and 904 was assigned for northern Florida in 1965. In 1988, area code 407 was ...

  3. List of Texas area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Texas_area_codes

    Numbering plan areas and area codes of Texas (tan). This is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: [1] 210: San Antonio area; overlays with 726 (November 1, 1992) 214: Dallas area, overlays with 469, 972, and 945 (October 1947)

  4. Area codes 813 and 656 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_813_and_656

    Area codes 813 and 656 are area codes in the North American Numbering Plan for the U.S. state of Florida in the city of Tampa, Florida, and its surrounding areas, such as Zephyrhills and Oldsmar. In 2022, due to exhaustion of central office prefixes, area code 656 was added to the service area forming an overlay complex .

  5. Area codes 214, 469, 972, and 945 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_214,_469,_972...

    Area codes 214, 469, 972, and 945 are telephone area codes in the North American Numbering Plan (NANP) for Dallas, Texas and most of the eastern portion of the Dallas–Fort Worth metroplex The area codes are assigned in an overlay complex to a single numbering plan area that was the core of one of the original area codes of 1947, area code 214.

  6. Area codes 850 and 448 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_850_and_448

    Area codes 850 and 448 are telephone area codes in the North American Numbering Plan for the Florida panhandle, including Pensacola, Tallahassee and Panama City. [1] Area code 850 was created in 1997 in a split from 904, and area code 448 was assigned as a second code to the same area in an overlay plan in 2019; mandatory ten-digit local dialing began in May 2021.

  7. Area codes 904 and 324 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_904_and_324

    Later in 1995, the Florida Public Service Commission planned a three-way split to relieve the overcrowded 904 area code. In this plan, the Jacksonville area would be reassigned to the proposed area code 234, while the Daytona Beach LATA would be assigned area code 386. The Pensacola, Panama City, and Tallahassee areas would have kept area code 904.

  8. Interchangeable NPA and central office codes - Wikipedia

    en.wikipedia.org/wiki/Interchangeable_NPA_and...

    By 1971 the North American network had been prepared for operation with central office codes that permitted the digits 0 and 1 as the middle digit, i.e. with the number format NXX (less N11), where N=2–9, and X=0–9. [4]

  9. Original North American area codes - Wikipedia

    en.wikipedia.org/wiki/Original_North_American...

    Telephone dial number card of c.1948 with the local telephone number 4-5876 in Atlantic City, NJ, using the central office prefix 4, later converted to AT4 Face of a 1939 rotary telephone dial with the telephone number LA-2697, which includes the first two letters of Lakewood, New Jersey, as the central office prefix, later converted to LA6.