Area code 520
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North American area code 520 is a state of Arizona telephone area code which was created in a split from area code 602 on March 19, 1995, for the rest of the state outside of the Greater Phoenix metropolitan area. 520 itself was split on June 23, 2001, creating area code 928, due mainly to population gains in Tucson, Yuma and Flagstaff. It was the first area code in the United States to have a number other than 0 or 1 as the second digit.
The map to the right is clickable; click on any U.S. area code to go to the page for that code.
Pima, Santa Cruz, Cochise, and most of Pinal County kept Area Code 520, while Yuma, La Paz, western Maricopa County, and everything north, including Flagstaff, switched to the new area code 928.
Counties served by this area code: Cochise, Maricopa, Pima, Pinal, and Santa Cruz.
Communities served by this area code: Tucson, Sierra Vista, Aguila, Ajo, Amado, Arivaca, Arizona City, Bapchule, Benson, Bisbee, Bowie, Casa Grande, Catalina, Cochise, Coolidge, Cortaro, Douglas, Dragoon, Elfrida, Elgin, Eloy, Florence, Fort Huachuca, Green Valley, Hereford, Huachuca City, Kearny, Lukeville, Mammoth, Marana, Maricopa, Mc Neal, Mount Lemmon, Naco, Nogales, Oracle, Patagonia, Pearce, Picacho, Pirtleville, Pomerene, Red Rock, Rillito, Rio Rico, Sacaton, Sahuarita, Saint David, San Manuel, San Simon, Sasabe, Sells, Sonoita, Stanfield, Superior, Tombstone, Topawa, Tubac, Tumacacori, Vail, Valley Farms, and Willcox.
| State of Arizona area codes: 480, 520, 602, 623, 928 | ||
|---|---|---|
| North: 480, 602, 928 | ||
| West: 623, 928 | area code 520 | East: 505 |
| South: Mexico, country code 52 | ||
| State of New Mexico Area Codes: 505, (proposed) 575 | ||
