Area Code 623
Area Code 623 History:
Area code 623 was officially put into service. Area code 623 was created from a split of area code 602.
Counties in Arizona within area code 623 include:
Major cities or places in Arizona within area code 623 include:
Area code 623 serves the western and northwestern metropolitan areas of Phoenix, including all or a portion of the larger cities and communities of Buckeye, Glendale, Goodyear, El Mirage, Peoria, Sun City, Sun City West and Surprise in addition to many smaller communities within the area code 623 service area.
On November 9, 2021 the Arizona Corporation Commission announced that effective 09/12/2023 the boundary lines between area codes 480, 602 and 623 will be eliminated.
As a result the three area codes will be consider area code overlays in the geographic area now served by 480, 602 and 623.
These area codes are currently used by the city of Phoenix and surround communities Chandler, Gilbert, Mesa, Tempe, Scottsdale, and Sun Lakes in the counties of Maricopa and Pinal. On August 12, 2023 mandatory 10 digit dialing will be required in area codes 480, 602 and 623