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.