![]() The creation of the three-code overlay complex made ten-digit dialing mandatory across the Valley it was already required in 480. As a result, Arizona's Corporation Commission approved a plan in 2021 to reverse the 1999 split, and convert 480 and 623 into overlay codes for the entire Phoenix area in 2023. Metro Phoenix continued to be a single rate center after the split, so that calls between the three area codes were generally local calls.īy the early 2020s, 480 and 602 were facing exhaustion within the decade, but 623 continued to have hundreds of unassigned central office codes. In 1999, a second split created the 480 NPA in the East Valley, and area code 623 in the West Valley. ![]() In 1995, the state outside metropolitan Phoenix was split off with area code 520. Under pressure from population growth and new telecommunications services, the numbering plan area (NPA) was reduced twice in five years in the 1990s. state of Arizona.Īrea code 602 is the oldest area code in Arizona and was assigned in 1947 for the entire state. There are in total of 15 urban villages namely Ahwatukee Foothills, Alhambra, Central City, Deer Valley, Camelback East, Desert View, Encanto, Estrella, Maryvale, North Gateway, Laveen, North Mountain, Paradise Valley, South Mountain, and Rio Vista.Īpart from these, there are a variety of regions and districts in the city including Downtown, Midtown, Uptown, West Phoenix, North Phoenix, South Phoenix, Biltmore Area, Arcadia, and Sunnyslope.Inset of the metro Phoenix area, showing the boundaries of area codes 480, 602, and 623 from 1999 to 2023, with 602 serving the middle of the present 602 area flanked by 623 to the west and 480 to the east.Īrea codes 602, 480, and 623 are telephone area codes in the North American Numbering Plan (NANP) for most of the Phoenix metropolitan area in the U.S. Their purpose is to "work with the city's planning commission to ensure a balance of housing and employment in each village, concentrate development at identified village cores, and to promote the unique character and identity of the villages." ![]() These villages have their planning committee appointed by the city council. The city is divided into urban villages based upon historically significant neighborhoods and communities annexed into Phoenix. Even though their initial function was to improve the mail delivery system, today these are used for monitoring statistics, direct mail marketing, internet routing, and credit card security. Their basic format consisting of five digits was extended to the ZIP+4 code in 1983. These Zip codes were introduced by the United States Postal Service (USPS) in 1963. Among these, Paradise Valley’s 85253 is Arizona’s most expensive Zip code followed by 8526. There are in total 46 Zip codes in the city, ranging from 85001–85099. It is located in the heart of the fastest-growing and most dynamic metropolitan area in the country. The city is the anchor of the Phoenix metropolitan area, also known as the Valley of the Sun. With a population of 1.6 million people, Phoenix is the capital and most populous city in Arizona and the fifth most populous city in the United States.
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