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  2. Area codes 713, 281, 832, 346, and 621 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_713,_281,_832...

    On March 19, 1983, the numbering plan area was divided: the immediate Houston area retained 713, while the northern, eastern and western portions became area code 409. On November 2, 1996, area code 713 was split, with most of Houston's suburbs switching to 281. The dividing line roughly followed Beltway 8. Generally, most of Houston itself and ...

  3. List of area code overlays - Wikipedia

    en.wikipedia.org/wiki/List_of_area_code_overlays

    281, 346, 832: 713: Greater Houston, Texas: 289, 365: 905: Golden Horseshoe region of Ontario, including suburban Toronto, Hamilton, Oshawa, and the Niagara Peninsula in Ontario: 321: 407: Central Florida: In addition to being the sole area code in the Space Coast region around the Kennedy Space Center, this is the only partial overlay area ...

  4. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    537 reserved as a fifth area code for the region. 906: Michigan (Upper Peninsula: Sault Ste. Marie, Escanaba, Houghton, Iron Mountain, Marquette, Menominee, etc.) March 19, 1961: split of 616; 907: Alaska (all, except the lone border town of Hyder which uses the BC, Canada area codes of 236, 250, 672, or 778 depending on its assigned number ...

  5. 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)

  6. List of Michigan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Michigan_area_codes

    1947: Area codes 313, 517 and 616 are three of the original 86 area codes in the North American Numbering Plan. 1961: Area code 906 was created in the first split of 616. 1993: Area code 810 was created in the first split of 313. 1997: Area code 734 was created in the second split of 313. and area code 248 was created in the first split of 810 ...

  7. Geographic areas of Houston - Wikipedia

    en.wikipedia.org/wiki/Geographic_areas_of_Houston

    There is also a new, 346 area code. Areas far north, west, east and south of the inner-city also use 936 and 409. Zip codes in Houston range from 77002 to 77099. A small portion of northeast Houston uses zip codes 77339 and 77345. Houston is the most populated city in the United States without zoning laws. City voters rejected creation of ...

  8. Original North American area codes - Wikipedia

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

    In 1950, southwest Missouri, with a new toll-center in Joplin, received area code 417, a change that provided more central offices in Kansas City. In 1951, the number of area codes grew to ninety: the State of New York gained area code 516 on Long Island, and Southern California received area code 714, to reduce the numbering plan area of Los ...

  9. List of future North American area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_future_North...

    This is a list of future area codes in the North American Numbering Plan (NANP) that are in the planning stages for relief of central office code exhaustion in the given numbering plan areas (NPAs). The dates are subject to change during implementation as published in the official NANP Administrator Planning Letters .