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Updated Jan 02, 2010Area Code 520
  1. "E" is Eastern Time Zone, "C" is Central Time Zone, "M" is Mountain Time Zone, and "P" is Pacific Time Zone. Occasionally, an area code will fall in more than one time zone. In this case, the abbreviation is a combination of the previous abbreviations. Some area codes are shown with time zones referencing Universal Coordinated Time (UTC).
  2. Additional technical status can be retrived from the North American Numbering Plan Administration on the 520 area code specific link here.
Area Code520 (area code map)
LocationArizona
Dates and historical informationArea code 520 went live into service on March 19, 1995.  It was formed as a subdivision of the 602 area code.
Technical Status 2Area code 520 is currently live and in service.
Time Zone(s) 1M
LATA numbers served668, 666
Number of rate centers served38
List of rate centersHAYDEN, 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, SHOW LOW, ELFRIDA, LONE BUTTE, SASABE, SUNIZONA, PEARCE, PRESCOTT, SAN SIMON, BOWIE, SILVERBELL, SEDONA
Number of major cities served115
Names of major cities served (ZIP code)Hayden (85235), San Manuel (85631), Tumacacori (85640), Amado (85640), Tubac (85640), Agua Linda (85640), Carmen (85640), Kinsley Ranch (85640), Tucson (85701), Casa Grande (85222), Eleven Mile (85222), Eleven Mile Corner (85222), Phoenix (85003), Benson (85602), Cascabel (85602), Mescal (85602), Redington (85602), Chandler (85226), Nogales (85621), Fairbank (85621), Tucson (85704), Oro Valley (85704), Sierra Vista (85635), Fry (85635), Tucson (85711), Coronado (85711), Tucson (85718), Yuma (85364), Willcox (85643), Ft Grant (85643), Bonita (85643), Chiricahua National Monument (85643), Dos Cabezas (85643), Fort Grant (85643), Kansas Settlement (85643), Klondyke (85643), Rucker (85643), Sierra Bonita (85643), Sunset (85643), Turkey Creek (85643), Tucson (85710), Rincon (85710), Tucson (85705), Kino (85705), Tucson (85706), Mission (85706), Tucson (85716), Sun (85716), Winkelman (85292), Dudleyville (85292), Sells (85634), Pisinemo (85634), Pisinemo Trading Post (85634), Cowlic (85634), Fresnal Canyon (85634), Gu Achi (85634), Little Tucson (85634), Sil Nakaya (85634), Vamori (85634), San Simon (85632), Portal (85632), Hilltop (85632), Paradise (85632), Kearny (85237), Douglas (85607), Bay Acres (85607), Paul Spur (85607), Bisbee (85603), Bisbee Jct (85603), Copper Queen (85603), Lowell (85603), South Bisbee (85603), Sunset Acres (85603), Tintown (85603), Warren (85603), Winwood (85603), Ajo (85321), Why (85321), Superior (85273), Green Valley (85614), Sahuarita (85614), Madera Canyon (85614), Patagonia (85624), Harshaw (85624), Lochiel (85624), Maricopa (85239), Mobile (85239), Coolidge (85228), Tombstone (85638), Apache Junction (85219), Tortilla Flat (85219), Apache Jct (85219), Eloy (85231), Toltec (85231), Arizona City (85223), Mammoth (85618), Flagstaff (86001), Northern Arizona University (86001), Tucson (85742), Oro Valley (85742), Mount Lemmon (85619), Tucson (85746), Show Low (85901), Shumway (85901), Marana (85653), Elfrida (85610), Gleeson (85610), Vail (85641), Corona (85641), Corona De Tuc (85641), Corona De Tucson (85641), Santa Rita (85641), Santa Rita Foothills (85641), Maricopa (85238), Saint David (85630), Tucson (85749), Ft Lowell (85749), Tucson (85739), Catalina (85739), Oro Valley (85739), Saddlebrooke (85739), Sasabe (85633), Pearce (85625), Sunsites (85625), Sunizona (85625), Prescott (86301), Florence (85232), Oracle (85623), Sedona (86336)
Number of exchanges served429
List of exchanges served520-200-xxxx, 520-201-xxxx, 520-202-xxxx, 520-203-xxxx, 520-204-xxxx, 520-205-xxxx, 520-206-xxxx, 520-207-xxxx, 520-208-xxxx, 520-209-xxxx, 520-212-xxxx, 520-215-xxxx, 520-216-xxxx, 520-218-xxxx, 520-219-xxxx, 520-220-xxxx, 520-221-xxxx, 520-223-xxxx, 520-224-xxxx, 520-225-xxxx, 520-226-xxxx, 520-227-xxxx, 520-228-xxxx, 520-229-xxxx, 520-230-xxxx, 520-232-xxxx, 520-233-xxxx, 520-234-xxxx, 520-235-xxxx, 520-236-xxxx, 520-237-xxxx, 520-238-xxxx, 520-239-xxxx, 520-240-xxxx, 520-241-xxxx, 520-243-xxxx, 520-244-xxxx, 520-245-xxxx, 520-247-xxxx, 520-248-xxxx, 520-249-xxxx, 520-250-xxxx, 520-251-xxxx, 520-252-xxxx, 520-253-xxxx, 520-254-xxxx, 520-255-xxxx, 520-256-xxxx, 520-258-xxxx, 520-259-xxxx, 520-260-xxxx, 520-264-xxxx, 520-265-xxxx, 520-266-xxxx, 520-267-xxxx, 520-269-xxxx, 520-270-xxxx, 520-271-xxxx, 520-272-xxxx, 520-275-xxxx, 520-280-xxxx, 520-281-xxxx, 520-282-xxxx, 520-284-xxxx, 520-285-xxxx, 520-287-xxxx, 520-289-xxxx, 520-290-xxxx, 520-291-xxxx, 520-292-xxxx, 520-293-xxxx, 520-294-xxxx, 520-295-xxxx, 520-296-xxxx, 520-297-xxxx, 520-298-xxxx, 520-299-xxxx, 520-300-xxxx, 520-301-xxxx, 520-302-xxxx, 520-303-xxxx, 520-304-xxxx, 520-305-xxxx, 520-306-xxxx, 520-307-xxxx, 520-308-xxxx, 520-309-xxxx, 520-310-xxxx, 520-312-xxxx, 520-313-xxxx, 520-315-xxxx, 520-316-xxxx, 520-318-xxxx, 520-319-xxxx, 520-320-xxxx, 520-321-xxxx, 520-322-xxxx, 520-323-xxxx, 520-324-xxxx, 520-325-xxxx, 520-326-xxxx, 520-327-xxxx, 520-331-xxxx, 520-334-xxxx, 520-335-xxxx, 520-336-xxxx, 520-339-xxxx, 520-342-xxxx, 520-343-xxxx, 520-344-xxxx, 520-349-xxxx, 520-351-xxxx, 520-352-xxxx, 520-356-xxxx, 520-357-xxxx, 520-358-xxxx, 520-360-xxxx, 520-361-xxxx, 520-362-xxxx, 520-363-xxxx, 520-364-xxxx, 520-366-xxxx, 520-368-xxxx, 520-370-xxxx, 520-371-xxxx, 520-374-xxxx, 520-375-xxxx, 520-377-xxxx, 520-378-xxxx, 520-381-xxxx, 520-382-xxxx, 520-383-xxxx, 520-384-xxxx, 520-385-xxxx, 520-387-xxxx, 520-388-xxxx, 520-390-xxxx, 520-391-xxxx, 520-393-xxxx, 520-394-xxxx, 520-395-xxxx, 520-396-xxxx, 520-397-xxxx, 520-398-xxxx, 520-399-xxxx, 520-400-xxxx, 520-401-xxxx, 520-403-xxxx, 520-404-xxxx, 520-405-xxxx, 520-406-xxxx, 520-407-xxxx, 520-408-xxxx, 520-409-xxxx, 520-410-xxxx, 520-413-xxxx, 520-414-xxxx, 520-417-xxxx, 520-418-xxxx, 520-419-xxxx, 520-421-xxxx, 520-423-xxxx, 520-424-xxxx, 520-425-xxxx, 520-426-xxxx, 520-429-xxxx, 520-430-xxxx, 520-431-xxxx, 520-432-xxxx, 520-434-xxxx, 520-437-xxxx, 520-439-xxxx, 520-440-xxxx, 520-443-xxxx, 520-444-xxxx, 520-445-xxxx, 520-446-xxxx, 520-449-xxxx, 520-450-xxxx, 520-452-xxxx, 520-454-xxxx, 520-455-xxxx, 520-456-xxxx, 520-457-xxxx, 520-458-xxxx, 520-459-xxxx, 520-461-xxxx, 520-463-xxxx, 520-464-xxxx, 520-465-xxxx, 520-466-xxxx, 520-468-xxxx, 520-469-xxxx, 520-470-xxxx, 520-471-xxxx, 520-481-xxxx, 520-483-xxxx, 520-487-xxxx, 520-488-xxxx, 520-489-xxxx, 520-490-xxxx, 520-491-xxxx, 520-494-xxxx, 520-495-xxxx, 520-498-xxxx, 520-505-xxxx, 520-507-xxxx, 520-508-xxxx, 520-509-xxxx, 520-510-xxxx, 520-512-xxxx, 520-513-xxxx, 520-514-xxxx, 520-515-xxxx, 520-516-xxxx, 520-518-xxxx, 520-519-xxxx, 520-529-xxxx, 520-531-xxxx, 520-533-xxxx, 520-538-xxxx, 520-540-xxxx, 520-544-xxxx, 520-545-xxxx, 520-546-xxxx, 520-547-xxxx, 520-548-xxxx, 520-549-xxxx, 520-550-xxxx, 520-551-xxxx, 520-553-xxxx, 520-557-xxxx, 520-558-xxxx, 520-559-xxxx, 520-560-xxxx, 520-561-xxxx, 520-562-xxxx, 520-566-xxxx, 520-568-xxxx, 520-570-xxxx, 520-571-xxxx, 520-572-xxxx, 520-573-xxxx, 520-574-xxxx, 520-575-xxxx, 520-576-xxxx, 520-577-xxxx, 520-578-xxxx, 520-579-xxxx, 520-582-xxxx, 520-584-xxxx, 520-586-xxxx, 520-590-xxxx, 520-591-xxxx, 520-594-xxxx, 520-601-xxxx, 520-603-xxxx, 520-604-xxxx, 520-609-xxxx, 520-610-xxxx, 520-615-xxxx, 520-616-xxxx, 520-617-xxxx, 520-618-xxxx, 520-619-xxxx, 520-620-xxxx, 520-621-xxxx, 520-622-xxxx, 520-623-xxxx, 520-624-xxxx, 520-625-xxxx, 520-626-xxxx, 520-628-xxxx, 520-629-xxxx, 520-630-xxxx, 520-631-xxxx, 520-638-xxxx, 520-642-xxxx, 520-647-xxxx, 520-648-xxxx, 520-661-xxxx, 520-662-xxxx, 520-663-xxxx, 520-664-xxxx, 520-665-xxxx, 520-668-xxxx, 520-670-xxxx, 520-678-xxxx, 520-682-xxxx, 520-686-xxxx, 520-689-xxxx, 520-690-xxxx, 520-694-xxxx, 520-695-xxxx, 520-696-xxxx, 520-701-xxxx, 520-702-xxxx, 520-703-xxxx, 520-705-xxxx, 520-706-xxxx, 520-709-xxxx, 520-712-xxxx, 520-720-xxxx, 520-721-xxxx, 520-722-xxxx, 520-723-xxxx, 520-727-xxxx, 520-730-xxxx, 520-731-xxxx, 520-732-xxxx, 520-733-xxxx, 520-740-xxxx, 520-741-xxxx, 520-742-xxxx, 520-743-xxxx, 520-744-xxxx, 520-745-xxxx, 520-746-xxxx, 520-747-xxxx, 520-748-xxxx, 520-749-xxxx, 520-750-xxxx, 520-751-xxxx, 520-760-xxxx, 520-761-xxxx, 520-762-xxxx, 520-766-xxxx, 520-770-xxxx, 520-777-xxxx, 520-780-xxxx, 520-784-xxxx, 520-786-xxxx, 520-790-xxxx, 520-791-xxxx, 520-792-xxxx, 520-793-xxxx, 520-794-xxxx, 520-795-xxxx, 520-796-xxxx, 520-797-xxxx, 520-798-xxxx, 520-799-xxxx, 520-803-xxxx, 520-805-xxxx, 520-806-xxxx, 520-807-xxxx, 520-808-xxxx, 520-816-xxxx, 520-818-xxxx, 520-820-xxxx, 520-822-xxxx, 520-823-xxxx, 520-824-xxxx, 520-825-xxxx, 520-826-xxxx, 520-827-xxxx, 520-829-xxxx, 520-831-xxxx, 520-834-xxxx, 520-836-xxxx, 520-837-xxxx, 520-838-xxxx, 520-839-xxxx, 520-840-xxxx, 520-841-xxxx, 520-842-xxxx, 520-843-xxxx, 520-844-xxxx, 520-845-xxxx, 520-847-xxxx, 520-850-xxxx, 520-858-xxxx, 520-860-xxxx, 520-861-xxxx, 520-866-xxxx, 520-867-xxxx, 520-868-xxxx, 520-869-xxxx, 520-870-xxxx, 520-872-xxxx, 520-873-xxxx, 520-874-xxxx, 520-876-xxxx, 520-877-xxxx, 520-878-xxxx, 520-879-xxxx, 520-880-xxxx, 520-881-xxxx, 520-882-xxxx, 520-883-xxxx, 520-884-xxxx, 520-885-xxxx, 520-886-xxxx, 520-887-xxxx, 520-888-xxxx, 520-889-xxxx, 520-891-xxxx, 520-895-xxxx, 520-896-xxxx, 520-898-xxxx, 520-901-xxxx, 520-903-xxxx, 520-904-xxxx, 520-906-xxxx, 520-907-xxxx, 520-908-xxxx, 520-909-xxxx, 520-917-xxxx, 520-918-xxxx, 520-921-xxxx, 520-930-xxxx, 520-931-xxxx, 520-932-xxxx, 520-940-xxxx, 520-954-xxxx, 520-955-xxxx, 520-971-xxxx, 520-975-xxxx, 520-977-xxxx, 520-979-xxxx, 520-980-xxxx, 520-981-xxxx, 520-982-xxxx, 520-987-xxxx, 520-988-xxxx, 520-989-xxxx, 520-990-xxxx, 520-991-xxxx, 520-993-xxxx
Number of telephone companies40 telephone companies servicing the 520 area code
List of telephone companiesMOUNTAIN TELECOMMUNICATIONS, INC. - CLEC, TIME WARNER TELECOM OF ARIZONA, LLC-AZ, XO ARIZONA, INC., NEW CINGULAR WIRELESS PCS, LLC, NEXTEL COMMUNICATIONS, INC., COX ARIZONA TELCOM, INC. - AZ, MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ, QWEST CORPORATION, GLOBAL CROSSING LOCAL SERVICES, INC.-AZ, T-MOBILE USA, INC., LEVEL 3 COMMUNICATIONS, LLC - AZ, MIDVALE TELEPHONE EXCHANGE, INC., GILA RIVER TELECOMM, INC., VERIZON WIRELESS (VAW), LLC, BROOKS FIBER COMMUNICATIONS OF TUCSON, INC. - AZ, SPRINT SPECTRUM L.P.- AZ, AT&T LOCAL, PAC - WEST TELECOMM, INC. - AZ, CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ, NETWORK SERVICES LLC, SPRINT SPECTRUM L.P., NORTH COUNTY COMMUNICATIONS CORP., LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC., XSPEDIUS MANANGEMENT CO. SWITCHED SERVICES, LLC AZ, 360NETWORKS (USA) INC. - AZ, TOHONO O'ODHAM UTILITY AUTHORITY, TABLE TOP TELEPHONE CO., INC., COMCAST PHONE OF ARIZONA, LLC - AZ, YMAX COMMUNICATIONS CORP. - AZ, TELEPORT COMMUNICATIONS GROUP - PHOENIX, ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ, MCIMETRO ACCESS TRANSMISSION SERVICES LLC, ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ, NETWORK SERVICES LLC (TSR), VALLEY TELEPHONE COOPERATIVE, INC., WAYNE MARKIS DBA HANDY PAGE, COPPER VALLEY TELEPHONE, INC., VALLEY CONNECTIONS, LLC - AZ, ARIZONA TELEPHONE CO., USA MOBILITY WIRELESS, INC.

520 Area Code Map

 
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