520 area code Location: Tucson, Agua Linda, Aguila, Ajo, Amado, Arivaca, Arizona Boys Ranch, Arizona City, Bapchule, Bay Acres, Benson, Bisbee Junction, Bisbee, Bonita, Bowie, Canelo, Carmen, Casa Grande, Cascabel, Catalina, Chiricahua National Monument, Circle City, Cochise, Continental, Coolidge, Copper Queen, Corona de Tucson, Corona, Coronado, Cortaro, Cowlic, Davis Monthan Air Force Base, Dos Cabezas, Double Adobe, Douglas, Dragoon, Eleven Mile Corner, Elfrida, Elgin, Eloy, Fairbank, Florence, Fort Grant, Fort Huachuca, Fort Lowell, Fresnal Canyon, Fry, Gila Bend, Gleeson, Greaterville, Green Valley, Gu Achi, Harshaw, Hereford, Hilltop, Huachuca City, Johnson, Kansas Settlement, Kearny, Kino, Kinsley Ranch, Klondyke, Little Tucson, Lochiel, Lowell, Lukeville, Mammoth, Marana, Maricopa, Mc Neal, McNeal, Mescal, Miracle Valley, Mission, Mobile, Morristown, Mount Lemmon, Naco, Nicksville, Nogales, Oracle, Oro Valley, Palominas, Paradise, Parker Lake, Patagonia, Paul Spur, Pearce, Picacho, Pirtleville, Pisinemo Trading Post, Pomerene, Portal, Red Rock, Redington, Rillito, Rincon, Rio Rico, Rucker, Sacaton, Saddlebrooke, Sahuarita, Saint David, San Manuel, San Simon, Santa Rita Foothills, Sasabe, Sells, Sierra Bonita, Sierra Vista, Sil Nakaya, Sonoita, South Bisbee, South Tucson, Stanfield, Sun, Sunizona, Sunset Acres, Sunset, Sunsites, Superior, Tintown, Toltec, Tombstone, Tonopah, Topawa, Tortilla Flat, Tubac, Tucson, Tumacacori, Turkey Creek, Vail, Valley Farms, Vamori, Waddell, Warren, Whetstone, Why, Wickenburg, Willcox, Winwood, Wittmann, Area code 520 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Arizona. The numbering plan area comprises Tucson and most of the southeastern part of the state. Area code 520 was created in a split of area code 602 on March 19, 1995., Lookup area code 520 details: major cities and timezone. View the 520 area code map in Arizona. Find the name of any phone number in area code 520..