623 Area CodeThe 623 area code is found in the state of Arizona, and spans 2 different Counties. Listed below are the 2 Counties that reside inside of the 623 area code. Included under the Counties are the cities within the given County.
Maricopa County Arizona
Arlington, Avondale, Buckeye, Cashion, Cave Creek, El Mirage, Glendale, Glendale Luke Afb, Goodyear, Litchfield Park, Morristown, New River, Palo Verde, Peoria, Phoenix, Scottsdale, Sun City, Sun City West, Surprise, Tolleson, Tonopah, Waddell, Wittmann, Youngtown
Yavapai County Arizona
Black Canyon City