Area Code — 520

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Phone numbers in area code 520 cover the cities of Phoenix, Bapchule, Sacaton, Casa Grande, Eleven Mile, Eleven Mile Corner, Arizona City, Coolidge, Eloy, Toltec, Florence, Hayden, Kearny, Maricopa, Mobile, Picacho, Red Rock, Stanfield, Superior, Valley Farms, Dudleyville, Winkelman, Ajo, Lukeville, Arivaca, Benson, Cascabel, Mescal, Redington, Bisbee, Bisbee Jct, Copper Queen, Lowell, South Bisbee, Sunset Acres, Tintown, Winwood, Bowie, Cochise, Bay Acres, Douglas, Paul Spur, Dragoon, Elfrida, Gleeson, Canelo, Elgin, Fort Huachuca, Sierra Vista, Green Valley, Madera Canyon, Sahuarita, Hereford, Miracle Valley, Nicksville, Palominas, Parker Lake, Huachuca City, Whetstone, Double Adobe, Mc Neal, Mcneal, Mammoth, Mount Lemmon, Naco, Fairbank, Nogales, Oracle, Harshaw, Lochiel, Patagonia, Pearce, Sunizona, Sunsites, Pirtleville, Pomerene, Continental, Saint David, San Manuel, Hilltop, Paradise, Portal, San Simon, Sasabe, Cowlic, Fresnal Canyon, Gu Achi, Little Tucson, Pisinemo, Sells, Sil Nakaya, Vamori, Fry, Greaterville, Sonoita, Tombstone, Topawa, Agua Linda, Amado, Carmen, Kinsley Ranch, Tubac, Tumacacori, Corona, Corona De Tuc, Corona De Tucson, Santa Rita, Santa Rita Foothills, Vail, Bonita, Chiricahua National Monument, Dos Cabezas, Fort Grant, Ft Grant, Kansas Settlement, Klondyke, Rucker, Sierra Bonita, Sunset, Turkey Creek, Willcox, Rio Rico, Cortaro, Marana, Rillito, Tucson, Oro Valley, Mission, Davis Monthan Afb, Dm Afb, Pima Community College, Rincon, Coronado, Fort Lowell, Sun, Univ Of Arizona, Veterans Hospital, Arizona Medical Center, Catalina, Saddlebrooke, I B M Corp, Ft Lowell, Tsn, Tuscon, Business Reply in AZ

The 520 area code covers the zip codes 85076, 85121, 85122, 85123, 85128, 85130, 85131, 85132, 85135, 85137, 85138, 85139, 85141, 85145, 85147, 85172, 85173, 85191, 85192, 85193, 85194, 85321, 85341, 85601, 85602, 85603, 85605, 85606, 85607, 85608, 85609, 85610, 85611, 85613, 85614, 85615, 85616, 85617, 85618, 85619, 85620, 85621, 85622, 85623, 85624, 85625, 85626, 85627, 85628, 85629, 85630, 85631, 85632, 85633, 85634, 85635, 85636, 85637, 85638, 85639, 85640, 85641, 85643, 85645, 85646, 85648, 85650, 85652, 85653, 85654, 85655, 85658, 85662, 85670, 85671, 85701, 85702, 85703, 85704, 85705, 85706, 85707, 85708, 85709, 85710, 85711, 85712, 85713, 85714, 85715, 85716, 85717, 85718, 85719, 85720, 85721, 85722, 85723, 85724, 85725, 85726, 85728, 85730, 85731, 85732, 85733, 85734, 85735, 85736, 85737, 85738, 85739, 85740, 85741, 85742, 85743, 85744, 85745, 85746, 85747, 85748, 85749, 85750, 85751, 85752, 85754, 85755, 85756, 85757, 85775 in AZ

Rate centers: HAYDEN, SAN MANUEL, TUCSON, CASAGRANDE, CASCABEL, BLACKWATER, NOGALES, SIERRAVIST, BENSON, YUMA, WILLCOX, CASABLANCA, SANTA ROSA, W SANSIMON, DOUGLAS, BISBEE, SELLS, AJO, SUPERIOR, STOTONIC, MARCOPAVLG, TOMBSTONE, WHITLOW, FLAGSTAFF, KOMATKE, PORTAL, SACATON, ELFRIDA, LONE BUTTE, SASABE, SUNIZONA, PEARCE, PRESCOTT, SAN SIMON, BOWIE, SILVERBELL, SEDONA

Companies: MOUNTAIN TELECOMMUNICATIONS, INC. - CLEC, BANDWIDTH.COM CLEC, LLC, TW TELECOM OF ARIZONA LLC, XO ARIZONA, INC., NEW CINGULAR WIRELESS PCS, LLC, NEXTEL COMMUNICATIONS, INC., COX ARIZONA TELCOM, INC., MCLEODUSA TELECOMMUNICATIONS SERVICES, INC., QWEST CORPORATION, GLOBAL CROSSING LOCAL SERVICES, INC., T-MOBILE USA, INC., LEVEL 3 COMMUNICATIONS, LLC, MIDVALE TELEPHONE EXCHANGE, INC., GILA RIVER TELECOMM, INC., CELLCO PARTNERSHIP DBA VERIZON WIRELESS, 360NETWORKS (USA) INC., BROOKS FIBER COMMUNICATIONS OF TUCSON, INC., SPRINT SPECTRUM L.P., ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM, AT&T LOCAL, PAC - WEST TELECOMM, INC., AMERICAN MESSAGING SERVICES, LLC, NORTH COUNTY COMMUNICATIONS CORP., YMAX COMMUNICATIONS CORP., LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC., XSPEDIUS MANANGEMENT CO. SWITCHED SERVICES, LLC AZ, COMCAST PHONE OF ARIZONA, LLC, TELEPORT COMMUNICATIONS GROUP - PHOENIX, BROADVOX-CLEC, LLC, GILA LOCAL EXCHANGE CARRIER, INC., TOHONO O'ODHAM UTILITY AUTHORITY, TABLE TOP TELEPHONE CO., INC., USA MOBILITY WIRELESS, INC., SPRINT COMMUNICATIONS COMPANY, L.P., MCC TELEPHONY OF THE WEST, LLC, NEUTRAL TANDEM-ARIZONA, LLC, MCIMETRO ACCESS TRANSMISSION SERVICES LLC, NETWORK SERVICES LLC (TSR), VALLEY TELEPHONE COOPERATIVE, INC., COPPER VALLEY TELEPHONE, INC., VALLEY CONNECTIONS, LLC, ARIZONA TELEPHONE CO.

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