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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. Area codes 602, 480, and 623 - Wikipedia

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

    Area codes 602, 480, and 623. Coordinates: 33°30′N 112°06′W. Area codes in Arizona and surrounding states, with the 480–602–623 overlay complex highlighted in red. Inset of the metro Phoenix area, showing the boundaries of area codes 480, 602, and 623 from 1999 to 2023, with 602 serving the middle of the present 602 area flanked by ...

  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. List of future North American area codes - Wikipedia

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

    Other area codes that are expected to exhaust by the end of 2027 that do not have an approved relief plan: 352, 502, 520, 603, 714/657, 718/347/929, 765 and 949. [ 24 ] See also

  6. 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 ...

  7. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    At the same time, local exchanges were allowed to use 1 or 0 as a middle digit. The first area codes without a 1 or 0 as the middle digit were area code 334 in Alabama and area code 360 in Washington, which both began service on January 15, 1995. This was followed quickly by area code 520 serving Arizona on March 19, 1995.

  8. 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 ...

  9. Area code 928 - Wikipedia

    en.wikipedia.org/wiki/Area_code_928

    Area code 928. Coordinates: 35°N 112°W. Clickable map of Arizona area codes in blue (and border states) with area code 928 shown in red. Area code 928 is a telephone area code in the North American Numbering Plan for the U.S. state of Arizona. The numbering plan area comprises the northern, eastern, and western portions of the state. [1]