520

Tucson, Arizona

Arizona · Mountain (UTC-7) · · 9 cities

State
Major City
Tucson
Time Zone
Mountain (UTC-7)
Current Local Time
Cities Served
9
Additional Details
Established
1995
Type
Split
Active Prefixes
707
Wireless Lines
40%

About Area Code 520

Area code 520 was created in 1995 as a split from a previously larger area code region. It serves the Tucson, Arizona metropolitan area. The area is in the Mountain time zone. It covers 9 cities and communities including Catalina Foothills, Douglas, Green Valley, Marana, Nogales and 4 more.

Phone Number Prefixes in Area Code 520

707 active NXX prefixes — 40% wireless, 60% landline. Each prefix (NXX) represents up to 10,000 phone numbers.

CenturyLink 204 (29%)Verizon Wireless 104 (15%)T-Mobile 83 (12%)AT&T Mobility 51 (7%)Onvoy 47 (7%)
PrefixCarrierTypeRate Center
520-200Electric LightwaveLandlineHayden
520-201Electric LightwaveLandlineSan Manuel
520-202Lumen/Level 3LandlineTucson
520-203MCI/VerizonWirelessTucson
520-204Paetec ItelLandlineTucson
520-205CenturyLinkLandlineTucson
520-206CenturyLinkLandlineTucson
520-207ComcastLandlineTucson
520-208Lumen/Level 3LandlineCasagrande
520-209CenturyLinkLandlineTucson
520-210OnvoyLandlineTombstone
520-211Multiple Ocn ListingLandlineXxxxxxxxxx
520-212Midvale Telephone ExchangeLandlineCascabel
520-213T-MobileWirelessCasagrande
520-214OnvoyLandlineTucson
520-215Gila River TelecommLandlineBlackwater
520-216Verizon WirelessWirelessNogales
520-217CenturyLinkLandlineCasagrande
520-218CenturyLinkLandlineTucson
520-219CenturyLinkLandlineTucson
520-220T-MobileWirelessSierravist
520-221Verizon WirelessWirelessBenson
520-222CenturyLinkLandlineTucson
520-223Lumen/Level 3LandlineNogales
520-224Electric LightwaveLandlineSierravist
520-225CenturyLinkLandlineTucson
520-226Lumen/Level 3LandlineSierravist
520-227T-MobileWirelessSierravist
520-228CenturyLinkLandlineTucson
520-229CenturyLinkLandlineTucson
520-230Verizon WirelessWirelessTucson
520-231Bandwidth.comLandlineWhitlow
520-232CenturyLinkLandlineTucson
520-233OnvoyLandlineCasagrande
520-234T-MobileWirelessSierravist
520-235Verizon WirelessWirelessTucson
520-236Metro by T-MobileWirelessSierravist
520-237Verizon WirelessWirelessTucson
520-238T-MobileWirelessYuma
520-239Teleport Communications AmericaLandlineTucson
520-240Verizon WirelessWirelessTucson
520-241AT&T MobilityWirelessTucson
520-242Verizon WirelessWirelessWillcox
520-243CenturyLinkLandlineTucson
520-244T-MobileWirelessTucson
520-245T-MobileWirelessTucson
520-246Lumen/Level 3LandlineTucson
520-247AT&T MobilityWirelessTucson
520-248T-MobileWirelessTucson
520-249T-MobileWirelessSierravist
520-250T-MobileWirelessTucson
520-251T-MobileWirelessCasagrande
520-252T-MobileWirelessCasagrande
520-253Verizon WirelessWirelessWillcox
520-254Lumen/Level 3LandlineWillcox
520-255Verizon WirelessWirelessSierravist
520-256T-MobileWirelessTucson
520-257T-MobileWirelessTucson
520-258CenturyLinkLandlineTucson
520-259North County Communications CorporationLandlineTucson
520-260Verizon WirelessWirelessTucson
520-261Bandwidth.comLandlineTucson
520-262Verizon WirelessWirelessTucson
520-263ComcastLandlineSierravist
520-264Verizon WirelessWirelessNogales
520-265T-MobileWirelessBenson
520-266T-MobileWirelessSierravist
520-267North County Communications CorporationLandlineSierravist
520-268Verizon WirelessWirelessTucson
520-269Verizon WirelessWirelessTucson
520-270T-MobileWirelessTucson
520-271T-MobileWirelessTucson
520-272AT&T MobilityWirelessTucson
520-273AT&T MobilityWirelessTucson
520-274T-MobileWirelessTucson
520-275AT&T MobilityWirelessTucson
520-276Bandwidth.comLandlineTucson
520-277OnvoyLandlineWhitlow
520-278Metro by T-MobileWirelessTucson
520-279Verizon WirelessWirelessTucson
520-280T-MobileWirelessCasagrande
520-281CenturyLinkLandlineNogales
520-282Verizon WirelessWirelessTucson
520-283T-MobileWirelessTucson
520-284MCI/VerizonWirelessTucson
520-285CenturyLinkLandlineNogales
520-286T-MobileWirelessTucson
520-287CenturyLinkLandlineNogales
520-288AT&T MobilityWirelessTucson
520-289Verizon WirelessWirelessTucson
520-290CenturyLinkLandlineTucson
520-291CenturyLinkLandlineTucson
520-292CenturyLinkLandlineTucson
520-293CenturyLinkLandlineTucson
520-294CenturyLinkLandlineTucson
520-295CenturyLinkLandlineTucson
520-296CenturyLinkLandlineTucson
520-297CenturyLinkLandlineTucson
520-298CenturyLinkLandlineTucson
520-299CenturyLinkLandlineTucson
520-300Verizon WirelessWirelessTucson
520-301AT&T MobilityWirelessTucson
520-302AT&T MobilityWirelessTucson
520-303OnvoyLandlineTucson
520-304AT&T MobilityWirelessTucson
520-305Verizon WirelessWirelessTucson
520-306Verizon WirelessWirelessTucson
520-307Verizon WirelessWirelessTucson
520-308AT&T MobilityWirelessTucson
520-309AT&T MobilityWirelessTucson
520-310Verizon WirelessWirelessTucson
520-311Multiple Ocn ListingLandlineXxxxxxxxxx
520-312AT&T MobilityWirelessTucson
520-313T-MobileWirelessNogales
520-314Lumen/Level 3LandlineTucson
520-315Gila River TelecommLandlineCasablanca
520-316CenturyLinkLandlineCasagrande
520-317OnvoyLandlineHayden
520-318CenturyLinkLandlineTucson
520-319CenturyLinkLandlineTucson
520-320CenturyLinkLandlineTucson
520-321CenturyLinkLandlineTucson
520-322CenturyLinkLandlineTucson
520-323CenturyLinkLandlineTucson
520-324CenturyLinkLandlineTucson
520-325CenturyLinkLandlineTucson
520-326CenturyLinkLandlineTucson
520-327CenturyLinkLandlineTucson
520-328CenturyLinkLandlineTucson
520-329Teleport Communications AmericaLandlineTucson
520-330Verizon WirelessWirelessTucson
520-331T-MobileWirelessTucson
520-332T-MobileWirelessTucson
520-333MCI/VerizonWirelessTucson
520-334Verizon WirelessWirelessTucson
520-335ComcastLandlineSierravist
520-336AT&T MobilityWirelessTucson
520-337Lumen/Level 3LandlineWillcox
520-338OnvoyLandlineTucson
520-339AT&T MobilityWirelessTucson
520-340Verizon WirelessWirelessCasagrande
520-341TelnyxLandlineNogales
520-342OnvoyLandlineTucson
520-343Verizon WirelessWirelessTucson
520-344AT&T MobilityWirelessTucson
520-345Verizon WirelessWirelessTucson
520-346Peerless Network Of ArizonaLandlineBisbee
520-347TelnyxLandlineTucson
520-348CenturyLinkLandlineWillcox
520-349Verizon WirelessWirelessTucson
520-350Gila Local Exchange CarrierLandlineCasagrande
520-351Lumen/Level 3LandlineTucson
520-352Electric LightwaveLandlineTucson
520-353OnvoyLandlineBisbee
520-354Verizon WirelessWirelessTucson
520-355Bandwidth.comLandlineTucson
520-356CenturyLinkLandlineHayden
520-357CenturyLinkLandlineHayden
520-358AT&T MobilityWirelessTucson
520-359Metro by T-MobileWirelessTucson
520-360AT&T MobilityWirelessTucson
520-361Tohono O'Odham Utility AuthorityLandlineSanta Rosa
520-362Tohono O'Odham Utility AuthorityLandlineW Sansimon
520-363CenturyLinkLandlineHayden
520-364CenturyLinkLandlineDouglas
520-365T-MobileWirelessTucson
520-366CenturyLinkLandlineBisbee
520-367SpectrumLandlineTucson
520-368CenturyLinkLandlineDouglas
520-369Lumen/Level 3LandlineTucson
520-370T-MobileWirelessTucson
520-371Metro by T-MobileWirelessCasagrande
520-372ComcastLandlineTucson
520-373T-MobileWirelessTucson
520-374CenturyLinkLandlineCasagrande
520-375CenturyLinkLandlineNogales
520-376Metro by T-MobileWirelessSierravist
520-377CenturyLinkLandlineNogales
520-378CenturyLinkLandlineSierravist
520-379OnvoyLandlineDouglas
520-380T-MobileWirelessCasagrande
520-381Electric LightwaveLandlineCasagrande
520-382Lumen/Level 3LandlineTucson
520-383Tohono O'Odham Utility AuthorityLandlineSells
520-384CenturyLinkLandlineWillcox
520-385CenturyLinkLandlineSan Manuel
520-386AT&T MobilityWirelessBenson
520-387Table Top Telephone CompanyLandlineAjo
520-388CenturyLinkLandlineTucson
520-389AT&T MobilityWirelessTucson
520-390T-MobileWirelessTucson
520-391Electric LightwaveLandlineSuperior
520-392AT&T MobilityWirelessTucson
520-393CenturyLinkLandlineTucson
520-394CenturyLinkLandlineNogales
520-395ComcastLandlineTucson
520-396Verizon WirelessWirelessTucson
520-397CenturyLinkLandlineNogales
520-398CenturyLinkLandlineTucson
520-399CenturyLinkLandlineTucson
520-400Verizon WirelessWirelessTucson
520-401T-MobileWirelessTucson
520-402T-MobileWirelessBenson
520-403Verizon WirelessWirelessTucson
520-404Verizon WirelessWirelessTucson
520-405Verizon WirelessWirelessTucson
520-406AT&T MobilityWirelessTucson
520-407CenturyLinkLandlineTucson
520-408CenturyLinkLandlineTucson
520-409AT&T MobilityWirelessTucson
520-410CenturyLinkLandlineTucson
520-411Multiple Ocn ListingLandlineXxxxxxxxxx
520-412Peerless Network Of ArizonaLandlineTombstone
520-413Lumen/Level 3LandlineCasagrande
520-414Lumen/Level 3LandlineCasagrande
520-415Mcc TelephonyLandlineNogales
520-416Exiant CommunicationsLandlineTucson
520-417CenturyLinkLandlineSierravist
520-418Gila River TelecommLandlineStotonic
520-419Verizon WirelessWirelessTucson
520-420Hd CarrierLandlineTucson
520-421CenturyLinkLandlineCasagrande
520-422AT&TLandlineBisbee
520-423CenturyLinkLandlineCasagrande
520-424CenturyLinkLandlineCasagrande
520-425Verizon WirelessWirelessTucson
520-426CenturyLinkLandlineCasagrande
520-427T-MobileWirelessTucson
520-428AT&T MobilityWirelessTucson
520-429Verizon WirelessWirelessTucson
520-430Gila River TelecommLandlineMarcopavlg
520-431AT&T MobilityWirelessCasagrande
520-432CenturyLinkLandlineBisbee
520-433Lumen/Level 3LandlineTucson
520-434CenturyLinkLandlineTucson
520-435T-MobileWirelessWillcox
520-436OnvoyLandlineHayden
520-437Xo ArizonaLandlineTucson
520-438OnvoyLandlineWhitlow
520-439CenturyLinkLandlineSierravist
520-440T-MobileWirelessTucson
520-441AT&T MobilityWirelessTucson
520-442Bandwidth.comLandlineBenson
520-443T-MobileWirelessTucson
520-444Verizon WirelessWirelessTucson
520-445AT&T MobilityWirelessTucson
520-446Usa Mobility WirelessWirelessTucson
520-447OnvoyLandlineTucson
520-448Peerless Network Of ArizonaLandlineTucson
520-449Verizon WirelessWirelessTucson
520-450T-MobileWirelessCasagrande
520-451Verizon WirelessWirelessTucson
520-452CenturyLinkLandlineSierravist
520-453Verizon WirelessWirelessTombstone
520-454CenturyLinkLandlineSierravist
520-455CenturyLinkLandlineNogales
520-456CenturyLinkLandlineSierravist
520-457CenturyLinkLandlineTombstone
520-458CenturyLinkLandlineSierravist
520-459CenturyLinkLandlineSierravist
520-460T-MobileWirelessTucson
520-461Electric LightwaveLandlineTucson
520-462OnvoyLandlineTucson
520-463CenturyLinkLandlineWhitlow
520-464CenturyLinkLandlineCasagrande
520-465AT&T MobilityWirelessTucson
520-466CenturyLinkLandlineCasagrande
520-467OnvoyLandlineTucson
520-468OnvoyLandlineTucson
520-469CenturyLinkLandlineTucson
520-470T-MobileWirelessNogales
520-471Verizon WirelessWirelessTucson
520-472CenturyLinkLandlineCasagrande
520-473T-MobileWirelessSierravist
520-474T-MobileWirelessTucson
520-475Csc WirelessWirelessTucson
520-476NusoLandlineTucson
520-477MCI/VerizonWirelessTucson
520-478Teleport Communications AmericaLandlineAjo
520-479Commnet WirelessWirelessTucson
520-481T-MobileWirelessTucson
520-482AT&T MobilityWirelessTucson
520-483Verizon WirelessWirelessCasagrande
520-484NusoLandlineTucson
520-485Bandwidth.comLandlineTucson
520-486AT&T MobilityWirelessTucson
520-487CenturyLinkLandlineSan Manuel
520-488Verizon WirelessWirelessTucson
520-489CenturyLinkLandlineTucson
520-490Verizon WirelessWirelessTucson
520-491T-MobileWirelessFlagstaff
520-492ComcastLandlineTucson
520-493Firstdigital TelecomLandlineTucson
520-494CenturyLinkLandlineCasagrande
520-495Lumen/Level 3LandlineTucson
520-496Verizon WirelessWirelessTucson
520-497Bandwidth.comLandlineTucson
520-498CenturyLinkLandlineTucson
520-499T-MobileWirelessTucson
520-500OnvoyLandlineTucson
520-501TwilioLandlineTucson
520-502OnvoyLandlineSasabe
520-503OnvoyLandlineWillcox
520-504T-MobileWirelessSierravist
520-505Electric LightwaveLandlineTucson
520-506OnvoyLandlineTombstone
520-507Verizon WirelessWirelessWillcox
520-508Verizon WirelessWirelessSierravist
520-509Lumen/Level 3LandlineCasagrande
520-510AT&T MobilityWirelessCasagrande
520-511Multiple Ocn ListingLandlineXxxxxxxxxx
520-512CenturyLinkLandlineTucson
520-513CenturyLinkLandlineTucson
520-514CenturyLinkLandlineTucson
520-515CenturyLinkLandlineSierravist
520-516CenturyLinkLandlineTucson
520-517Verizon WirelessWirelessSacaton
520-518AT&T MobilityWirelessCasagrande
520-519CenturyLinkLandlineTucson
520-520OnvoyLandlineNogales
520-521Hd CarrierLandlineSan Manuel
520-522FractelLandlineCasablanca
520-523OnvoyLandlineSierravist
520-524OnvoyLandlineTucson
520-525OnvoyLandlineBisbee
520-526CommioLandlineTucson
520-527OnvoyLandlineBenson
520-528Verizon WirelessWirelessTucson
520-529CenturyLinkLandlineTucson
520-530OnvoyLandlineTucson
520-531CenturyLinkLandlineTucson
520-532OnvoyLandlineCasagrande
520-533CenturyLinkLandlineSierravist
520-534T-MobileWirelessTucson
520-535T-MobileWirelessTucson
520-536OnvoyLandlineDouglas
520-537Ip HorizonLandlineTucson
520-538CenturyLinkLandlineSierravist
520-539Verizon WirelessWirelessTucson
520-540Bandwidth.comLandlineTucson
520-541Verizon WirelessWirelessWillcox
520-542Lumen/Level 3LandlineTucson
520-543T-MobileWirelessTucson
520-544CenturyLinkLandlineTucson
520-545Lumen/Level 3LandlineTucson
520-546CenturyLinkLandlineTucson
520-547Lumen/Level 3LandlineTucson
520-548AT&T MobilityWirelessTucson
520-549Verizon WirelessWirelessTucson
520-550Gila River TelecommLandlineKomatke
520-551AT&T MobilityWirelessTucson
520-552OnvoyLandlineBisbee
520-553T-MobileWirelessCasagrande
520-554AT&T MobilityWirelessTucson
520-555Multiple Ocn ListingLandlineDir Asst
520-556T-MobileWirelessSierravist
520-557CommioLandlineCasagrande
520-558Valley Tel CoopLandlinePortal
520-559Verizon WirelessWirelessSierravist
520-560AT&T MobilityWirelessCasagrande
520-561Verizon WirelessWirelessTucson
520-562Gila River TelecommLandlineSacaton
520-563Ip HorizonLandlineBenson
520-564Ip HorizonLandlineDouglas
520-565AT&T MobilityWirelessTucson
520-566CenturyLinkLandlineTucson
520-567Ip HorizonLandlineHayden
520-568CenturyLinkLandlineCasagrande
520-569Ip HorizonLandlineSan Manuel
520-570CenturyLinkLandlineTucson
520-571CenturyLinkLandlineTucson
520-572CenturyLinkLandlineTucson
520-573CenturyLinkLandlineTucson
520-574CenturyLinkLandlineTucson
520-575CenturyLinkLandlineTucson
520-576CenturyLinkLandlineTucson
520-577CenturyLinkLandlineTucson
520-578CenturyLinkLandlineTucson
520-579CenturyLinkLandlineTucson
520-580SpectrumLandlineSuperior
520-581Ip HorizonLandlineTombstone
520-582Lumen/Level 3LandlineCasagrande
520-583Ip HorizonLandlineWhitlow
520-584CenturyLinkLandlineTucson
520-585Metro by T-MobileWirelessTucson
520-586CenturyLinkLandlineBenson
520-587AT&T MobilityWirelessPortal
520-588FractelLandlineCascabel
520-589Lumen/Level 3LandlineTucson
520-590Verizon WirelessWirelessBisbee
520-591Verizon WirelessWirelessTucson
520-592TelnyxLandlineNogales
520-593OnvoyLandlineHayden
520-594WavenationLandlineTucson
520-595CenturyLinkLandlineBenson
520-596T-MobileWirelessTucson
520-597OnvoyLandlineSuperior
520-598Metro by T-MobileWirelessCasagrande
520-599AT&T MobilityWirelessTucson
520-600OnvoyLandlineTucson
520-601Verizon WirelessWirelessSells
520-602SpectrumLandlineTucson
520-603Verizon WirelessWirelessTucson
520-604Verizon WirelessWirelessNogales
520-605Bandwidth.comLandlineTucson
520-606Metro by T-MobileWirelessTucson
520-607AT&T MobilityWirelessCasagrande
520-608OnvoyLandlineSan Manuel
520-609Verizon WirelessWirelessTucson
520-610Verizon WirelessWirelessSacaton
520-611Multiple Ocn ListingLandlineXxxxxxxxxx
520-612Bandwidth.comLandlineTucson
520-613AT&T MobilityWirelessTucson
520-614OnvoyLandlineTucson
520-615CenturyLinkLandlineTucson
520-616CenturyLinkLandlineTucson
520-617CenturyLinkLandlineTucson
520-618Lumen/Level 3LandlineTucson
520-619T-MobileWirelessNogales
520-620CenturyLinkLandlineTucson
520-621CenturyLinkLandlineTucson
520-622CenturyLinkLandlineTucson
520-623CenturyLinkLandlineTucson
520-624CenturyLinkLandlineTucson
520-625CenturyLinkLandlineTucson
520-626CenturyLinkLandlineTucson
520-627Verizon WirelessWirelessTucson
520-628CenturyLinkLandlineTucson
520-629CenturyLinkLandlineTucson
520-630OnvoyLandlineWillcox
520-631T-MobileWirelessTucson
520-632Verizon WirelessWirelessCasagrande
520-633Verizon WirelessWirelessTucson
520-634T-MobileWirelessCasagrande
520-635T-MobileWirelessCasagrande
520-636Peerless Network Of ArizonaLandlineSan Manuel
520-637T-MobileWirelessCasagrande
520-638CenturyLinkLandlineTucson
520-639CenturyLinkLandlineTucson
520-640Lumen/Level 3LandlineTucson
520-641Ton80 CommunicationsLandlineBenson
520-642Valley Tel CoopLandlineElfrida
520-643Verizon WirelessWirelessWillcox
520-644FractelLandlineKomatke
520-645Verizon WirelessWirelessDouglas
520-646Ton80 CommunicationsLandlineNogales
520-647CenturyLinkLandlineTucson
520-648CenturyLinkLandlineTucson
520-649Verizon WirelessWirelessTucson
520-650OnvoyLandlineWhitlow
520-651Verizon WirelessWirelessTucson
520-652CenturyLinkLandlineWhitlow
520-653Bandwidth.comLandlineTucson
520-654CommioLandlineSierravist
520-655FractelLandlineSuperior
520-656Verizon WirelessWirelessWillcox
520-657Bandwidth.comLandlineHayden
520-658T-MobileWirelessTucson
520-659NusoLandlineNogales
520-660T-MobileWirelessCasagrande
520-661T-MobileWirelessTucson
520-662CenturyLinkLandlineTucson
520-663CenturyLinkLandlineTucson
520-664CenturyLinkLandlineTucson
520-665CenturyLinkLandlineTucson
520-666OnvoyLandlineCasagrande
520-667NusoLandlineTucson
520-668Verizon WirelessWirelessTucson
520-669MCI/VerizonWirelessSierravist
520-670CenturyLinkLandlineTucson
520-671MCI/VerizonWirelessSierravist
520-672MCI/VerizonWirelessSierravist
520-673MCI/VerizonWirelessSierravist
520-674MCI/VerizonWirelessSierravist
520-675Boost SubscribercoWirelessTucson
520-676Verizon WirelessWirelessWillcox
520-677Boost SubscribercoWirelessCasagrande
520-678Verizon WirelessWirelessSierravist
520-679Verizon WirelessWirelessTombstone
520-680OnvoyLandlineBisbee
520-681Lumen/Level 3LandlineNogales
520-682CenturyLinkLandlineTucson
520-683OnvoyLandlineCasagrande
520-684MCI/VerizonWirelessSierravist
520-685ComcastLandlineSierravist
520-686Verizon WirelessWirelessBenson
520-687MCI/VerizonWirelessSierravist
520-688FractelLandlineCasagrande
520-689CenturyLinkLandlineSuperior
520-690CenturyLinkLandlineTucson
520-691MCI/VerizonWirelessSierravist
520-692MCI/VerizonWirelessSierravist
520-693MCI/VerizonWirelessSierravist
520-694Lumen/Level 3LandlineTucson
520-695CenturyLinkLandlineTucson
520-696CenturyLinkLandlineTucson
520-697Verizon WirelessWirelessTucson
520-698Verizon WirelessWirelessWillcox
520-699FractelLandlineSierravist
520-700Landline
520-701T-MobileWirelessCasagrande
520-702OnvoyLandlineDouglas
520-703Callworks CorporationLandlineTucson
520-704AT&T MobilityWirelessTucson
520-705Verizon WirelessWirelessCasagrande
520-706MCI/VerizonWirelessSierravist
520-707MCI/VerizonWirelessSierravist
520-708MCI/VerizonWirelessSierravist
520-709Verizon WirelessWirelessCasagrande
520-710SpectrumLandlineTucson
520-711Multiple Ocn ListingLandlineXxxxxxxxxx
520-712CenturyLinkLandlineTucson
520-713MCI/VerizonWirelessSierravist
520-714MCI/VerizonWirelessSierravist
520-715MCI/VerizonWirelessSierravist
520-716MCI/VerizonWirelessSierravist
520-717MCI/VerizonWirelessSierravist
520-718MCI/VerizonWirelessSierravist
520-719Bandwidth.comLandlineTucson
520-720CenturyLinkLandlineBenson
520-721CenturyLinkLandlineTucson
520-722CenturyLinkLandlineTucson
520-723CenturyLinkLandlineCasagrande
520-724CenturyLinkLandlineTucson
520-725MCI/VerizonWirelessSierravist
520-727AT&T MobilityWirelessDouglas
520-728T-MobileWirelessCasagrande
520-729Verizon WirelessWirelessTucson
520-730Verizon WirelessWirelessTucson
520-731CenturyLinkLandlineTucson
520-732Verizon WirelessWirelessSierravist
520-733CenturyLinkLandlineTucson
520-734Verizon WirelessWirelessTucson
520-735Teleport Communications AmericaLandlineSierravist
520-736AT&T MobilityWirelessCasagrande
520-737Allo CommunicationsLandlineSierravist
520-738Verizon WirelessWirelessTucson
520-739SpectrumLandlineTucson
520-740CenturyLinkLandlineTucson
520-741CenturyLinkLandlineTucson
520-742CenturyLinkLandlineTucson
520-743CenturyLinkLandlineTucson
520-744CenturyLinkLandlineTucson
520-745CenturyLinkLandlineTucson
520-746CenturyLinkLandlineTucson
520-747CenturyLinkLandlineTucson
520-748CenturyLinkLandlineTucson
520-749CenturyLinkLandlineTucson
520-750CenturyLinkLandlineTucson
520-751CenturyLinkLandlineTucson
520-752Verizon WirelessWirelessCasagrande
520-753Verizon WirelessWirelessTucson
520-754Verizon WirelessWirelessSacaton
520-755FractelLandlineLone Butte
520-756AT&T MobilityWirelessTucson
520-757T-MobileWirelessCasagrande
520-758FractelLandlineBlackwater
520-759Verizon WirelessWirelessCasagrande
520-760CenturyLinkLandlineTucson
520-761CenturyLinkLandlineNogales
520-762CenturyLinkLandlineTucson
520-763T-MobileWirelessCasagrande
520-764T-MobileWirelessCasagrande
520-765T-MobileWirelessCasagrande
520-766Valley ConnectionsLandlineWillcox
520-770CenturyLinkLandlineTucson
520-771VonageLandlineTucson
520-772Ton80 CommunicationsLandlineSuperior
520-775Bandwidth.comLandlineTucson
520-777Lumen/Level 3LandlineTucson
520-779Bandwidth.comLandlineWillcox
520-780Verizon WirelessWirelessTucson
520-783Metro by T-MobileWirelessTucson
520-784CenturyLinkLandlineTucson
520-785Allo CommunicationsLandlineTucson
520-788T-MobileWirelessCasagrande
520-789T-MobileWirelessTucson
520-790CenturyLinkLandlineTucson
520-791CenturyLinkLandlineTucson
520-792CenturyLinkLandlineTucson
520-793CenturyLinkLandlineTucson
520-794CenturyLinkLandlineTucson
520-795CenturyLinkLandlineTucson
520-796Gila River TelecommLandlineLone Butte
520-797CenturyLinkLandlineTucson
520-798CenturyLinkLandlineTucson
520-799CenturyLinkLandlineTucson
520-800OnvoyLandlineTucson
520-801Wide VoiceLandlineTucson
520-802Leap TelecomLandlineTucson
520-803CenturyLinkLandlineSierravist
520-805CenturyLinkLandlineDouglas
520-806CenturyLinkLandlineTucson
520-807CenturyLinkLandlineTucson
520-808AT&T MobilityWirelessTucson
520-809Intrado CommunicationsLandlineTucson
520-811Multiple Ocn ListingLandlineXxxxxxxxxx
520-812Bandwidth.comLandlineTucson
520-815Bandwidth.comLandlineTucson
520-818CenturyLinkLandlineTucson
520-820Verizon WirelessWirelessTucson
520-822CenturyLinkLandlineTucson
520-823Arizona Tel. CoLandlineSasabe
520-824Valley Tel CoopLandlineSunizona
520-825CenturyLinkLandlineTucson
520-826Valley Tel CoopLandlinePearce
520-827Verizon WirelessWirelessSuperior
520-829Lumen/Level 3LandlineTucson
520-831T-MobileWirelessPrescott
520-833Verizon WirelessWirelessTucson
520-834AT&T MobilityWirelessTucson
520-836CenturyLinkLandlineCasagrande
520-837Teleport Communications AmericaLandlineTucson
520-838CenturyLinkLandlineTucson
520-839T-MobileWirelessNogales
520-840Verizon WirelessWirelessCasagrande
520-841AT&T MobilityWirelessNogales
520-842OnvoyLandlineNogales
520-843OnvoyLandlineSierravist
520-844OnvoyLandlineTucson
520-845Valley Tel CoopLandlineSan Simon
520-847Valley Tel CoopLandlineBowie
520-848Metro by T-MobileWirelessTucson
520-849Verizon WirelessWirelessTucson
520-850Verizon WirelessWirelessTucson
520-851Teleport Communications AmericaLandlineSierravist
520-852Teleport Communications AmericaLandlineSierravist
520-853Teleport Communications AmericaLandlineSierravist
520-854Teleport Communications AmericaLandlineSierravist
520-855Teleport Communications AmericaLandlineSierravist
520-858CenturyLinkLandlineCasagrande
520-860Verizon WirelessWirelessNogales
520-861T-MobileWirelessTucson
520-866CenturyLinkLandlineCasagrande
520-867AT&T MobilityWirelessTucson
520-868CenturyLinkLandlineCasagrande
520-869T-MobileWirelessTucson
520-870T-MobileWirelessTucson
520-872CenturyLinkLandlineTucson
520-873CenturyLinkLandlineTucson
520-874CenturyLinkLandlineTucson
520-876CenturyLinkLandlineCasagrande
520-877CenturyLinkLandlineTucson
520-878CenturyLinkLandlineTucson
520-879CenturyLinkLandlineTucson
520-880CenturyLinkLandlineTucson
520-881CenturyLinkLandlineTucson
520-882CenturyLinkLandlineTucson
520-883CenturyLinkLandlineTucson
520-884CenturyLinkLandlineTucson
520-885CenturyLinkLandlineTucson
520-886CenturyLinkLandlineTucson
520-887CenturyLinkLandlineTucson
520-888CenturyLinkLandlineTucson
520-889CenturyLinkLandlineTucson
520-891T-MobileWirelessTucson
520-895Lumen/Level 3LandlineSierravist
520-896CenturyLinkLandlineSan Manuel
520-898Midvale Telephone ExchangeLandlineSilverbell
520-899FractelLandlineMarcopavlg
520-900OnvoyLandlineTucson
520-901Lumen/Level 3LandlineTucson
520-903CenturyLinkLandlineTucson
520-904Verizon WirelessWirelessTucson
520-906AT&T MobilityWirelessTucson
520-907AT&T MobilityWirelessTucson
520-908CenturyLinkLandlineTucson
520-909Verizon WirelessWirelessTucson
520-910OnvoyLandlineTucson
520-911Multiple Ocn ListingLandlineXxxxxxxxxx
520-912AT&T MobilityWirelessTucson
520-917MCI/VerizonWirelessTucson
520-918MCI/VerizonWirelessTucson
520-921T-MobileWirelessSedona
520-924Electric LightwaveLandlineNogales
520-929Ton80 CommunicationsLandlineWillcox
520-934Ton80 CommunicationsLandlineTucson
520-940T-MobileWirelessTucson
520-941Teleport Communications AmericaLandlineSierravist
520-942Teleport Communications AmericaLandlineSierravist
520-943Teleport Communications AmericaLandlineSierravist
520-944Teleport Communications AmericaLandlineSierravist
520-945Teleport Communications AmericaLandlineSierravist
520-949Ton80 CommunicationsLandlineSanta Rosa
520-950Landline
520-954Verizon WirelessWirelessTucson
520-955Verizon WirelessWirelessTucson
520-958Landline
520-959Landline
520-965T-MobileWirelessTucson
520-966FractelLandlineSilverbell
520-971T-MobileWirelessTucson
520-975Verizon WirelessWirelessTucson
520-976Landline
520-977T-MobileWirelessTucson
520-979T-MobileWirelessTucson
520-980Metro by T-MobileWirelessNogales
520-981T-MobileWirelessTucson
520-982T-MobileWirelessTucson
520-987Verizon WirelessWirelessNogales
520-988Verizon WirelessWirelessNogales
520-989Electric LightwaveLandlineTucson
520-990T-MobileWirelessTucson
520-991T-MobileWirelessTucson
520-993Verizon WirelessWirelessSells
520-994Ton80 CommunicationsLandlineSasabe
520-999OnvoyLandlineTucson

All 5 area codes in Arizona

520480602623928

About Area Code 520

Picture this: Back in 1995, Arizona was growing fast, especially down in the southern parts like Tucson. The old area code just couldn't keep up with all the new folks moving in, the businesses popping up, and the endless calls about everything from desert tours to border trade. So, they decided to split things off and create 520 just for that region. It carved out Tucson and its neighbors—places like Catalina Foothills, Douglas, and Sierra Vista—from the rest of the state. That's how 520 became the go-to for this slice of Arizona, covering about nine cities in total. Now, if you're dialing into 520, you're tapping into a world of saguaro cacti, starry nights, and that unmistakable Southwestern vibe. Tucson's the heart of it all, a city that's equal parts college town with the University of Arizona buzzing with students and a spot where retirees chase the sun. The area's got this mix of rugged mountains and wide-open deserts, making it perfect for hiking or just kicking back. Folks here deal with the quirks of Mountain Time, sticking to UTC-7 without daylight saving, which keeps things straightforward year-round. It's a spot where history meets modern life, from old mining towns like Bisbee nearby to high-tech spots in Oro Valley. If you live here or call in, 520 isn't just numbers—it's the sound of daily life in a place that's as tough as the desert heat.

⚠ Scam & Spam Alert for 520

If you're in the 520 area, you might get calls that seem off, like someone claiming to be from the IRS demanding payment right away or pushing you to buy an extended auto warranty for a car you don't even own. We've seen a lot of Medicare fraud too, with scammers pretending to be officials offering free medical gear just to snag your info. Then there's the utility scams, where they'll say your power's about to get cut off unless you pay up immediately. It's stuff that happens everywhere, but it hits home here in Arizona. Don't fall for it—remember, real agencies don't ask for money over the phone. One solid tip is to always check the caller's number against official sources before you respond; if it smells fishy, just hang up and look it up yourself.

Local Snapshot

Tucson's metro area clocks in at around a million people, making it Arizona's second-biggest spot after Phoenix. That growth brings a mix of families, students, and snowbirds soaking up the sun. Education and military bases drive the economy here, with the University of Arizona turning out grads and Davis-Monthan Air Force Base keeping things humming. Tourism pulls in visitors too, all chasing that desert adventure. The area's famous for its Mexican-inspired eats, like Sonoran hot dogs that pack a punch with toppings galore. And here's a kicker: Arizona doesn't observe daylight saving time, which surprises a lot of folks from other states when their clocks stay put.

Frequently Asked Questions

Where is area code 520?
Area code 520 serves Tucson and surrounding communities in Arizona, including Catalina Foothills, Douglas, Green Valley, Marana, Nogales and 4 more. It is in the Mountain time zone.
What cities are in area code 520?
Area code 520 covers 9 cities in Arizona: Catalina Foothills, Douglas, Green Valley, Marana, Nogales, Oro Valley, Sahuarita, Sierra Vista, Tucson
What time zone is 520?
Area code 520 is in the Mountain time zone (UTC-7).
When was area code 520 created?
Area code 520 was established in 1995 as a geographic split from a larger area code region.
Is 520 a legitimate area code?
Yes, 520 is a valid, active area code assigned to Tucson, Arizona. However, scammers can spoof any area code, so receiving a call from 520 doesn't guarantee the caller is actually in this area.

Has area code 520 ever been split, and why?

Area code 520 was created in 1995 by splitting from area code 602 to meet the rising need for phone numbers in southern Arizona. This split covered regions like Tucson and helped manage growth in border areas such as Nogales.

How does the border location influence cities in area code 520?

Cities like Nogales in area code 520 are on the US-Mexico border, which shapes local commerce and cultural exchanges. This proximity leads to bilingual services and cross-border events that define community life in the region.

What role does the University of Arizona play in area code 520?

The University of Arizona in Tucson, part of area code 520, is a major educational institution offering programs in fields like astronomy and optics. It contributes to the local economy through research facilities and events that draw visitors to the area.