Area Code 602 History:
Area code 602 originally covered all of Arizona when it was established in 1947. It was not until 1995 that Arizona experienced sufficient growth in population and telephone use to need an additional area code. It was at that time that area code 602 was split to form area code 520. Area Code 602 was split again in 1999 to form area codes 480 and 623.
Counties in Arizona within area code 602 include:
Major cities or places in Arizona within area code 602 include:
Area code 602 serves the city of Phoenix, and Laveen.