Area code 623

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Map of Arizona area codes in blue (and border states) with 623 in red

North American area code 623 is a state of Arizona telephone area code which was created in a split from area code 602 on April 1, 1999, when it was deemed that the Greater Phoenix metropolitan area could no longer continue with just one area code due to the explosive growth of the Phoenix metropolitan area in the 1990s. The west side and the western half of the far north side became 623, while the eastern Suburbs and the Phoenix neighborhood of Ahwatukee became Area Code 480.

623 covers Glendale, except the section north of the Arizona Canal and south of Union Hills, which is still Area Code 602, Peoria, Sun City, Sun City West, El Mirage, Surprise, Youngtown, Avondale, Tolleson, Goodyear, and Buckeye; as well as some of west Phoenix, specifically the city north of Union Hills and west of the 2000 E Grid, south of the Arizona Canal from 43rd Ave to 39th Ave, west of 39th ave from the Arizona Canal south to Maryland Ave, along 43rd Ave from Maryland to Indian School, diagonally southwest from 43rd Ave & Indian School to 63rd Ave & Interstate 10, then south along 63rd Ave to the Salt River and then the Gila River Indian Reservation.

[edit] See also

• List of North American area codes
• North American Numbering Plan
• North American Numbering Plan Administration
• Map