Avondale, AZ is currently utilizing one area code which is area code 623. Area code 623 was created from a split of area code 602 in 1999.
In addition to Avondale, AZ area code 623 serves the western and northwestern metropolitian 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 service area.
Avondale, AZ is located in Maricopa County and observes the Mountain Time Zone and does not use daylight saving time. View our Times by Area Code tool.