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  2. Area code 520 - Wikipedia

    en.wikipedia.org/wiki/Area_code_520

    Area code 520. Area code 520 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Arizona. The numbering plan area comprises Tucson and most of the southeastern part of the state. Area code 520 was created in a split of area code 602 on March 19, 1995. Previously, 602 had been the sole area code for the ...

  3. List of Arizona area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Arizona_area_codes

    Area code 520 serves Southern Arizona, including Tucson and its metropolitan area, Casa Grande, Nogales, and Sierra Vista. Area code 928 includes the remainder of the state, including Yuma, Kingman, Flagstaff, Prescott, the Arizona portion of the Navajo Nation, and Safford. 602 was the original area code for Arizona, and was split in 1995 into ...

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

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

    this was the first part of North America to have its code changed three times: from 213 to 714 1951: to 619 in 1982, and to 760 in 1997. was to have originally split off the portion of 760 serving San Diego County to a new 442 area code in late 2008/early 2009; that plan was cancelled. 2009: overlaid by 442. 761.

  5. Category:Area codes in Arizona - Wikipedia

    en.wikipedia.org/wiki/Category:Area_codes_in_Arizona

    0–9. Area code 480. Area code 520. Area codes 602, 480, and 623. Area code 623. Area code 928. Categories: Area codes in the United States by state or territory. Communications in Arizona.

  6. List of California area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_California_area_codes

    The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. [1] As of July 2023, California has 38 active area codes. Stockton, Modesto, Merced, Turlock; the northern San Joaquin Valley and the central Sierra ...

  7. Area codes 602, 480, and 623 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_602,_480,_and_623

    This meant that in-state toll and collect calls would require dialing the area code. [4] By the early 1990s, the need for a new area code could no longer be staved off. In 1993, Arizona was allocated a second area code, area code 520, for all of the state outside the Phoenix metropolitan area. [5] 520 was introduced on March 19, 1995 ...

  8. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    This was followed quickly by area code 520 serving Arizona on March 19, 1995. By 1995, many cities in the United States and Canada had more than one area code, either from dividing a city into different areas (NPA split) or having more than one code for the same area (NPA overlay).

  9. List of Utah area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Utah_area_codes

    The state of Utah is divided into two telephone numbering plan areas in the North American Numbering Plan, which are assigned a total of three area codes, two overlay codes for the Salt Lake City area, and one code for the rest of the state. 801: Area code 801 is Utah's original area code, assigned to the entire state in 1947. It serves the ...