520 Area CodeTucson, AZ
Area code 520 covers Tucson and nearby communities in Arizona, home to about 1,487,566 people across 130 cities. It's the only area code for this region, so the three digits alone place the caller.
Where is area code 520?
Area code 520 serves part of Tucson, AZ and the surrounding areas. It is a unique area code with no overlays.
Overview of the 520 Area Code
What is the 520 area code?
The 520 area code serves Tucson, Arizona. When you see a 520 number, it indicates a local number within this geographic area.
Why was area code 520 created?
Area code 520 went into service on March 19, 1995, taking over territory that had been part of area code 602.
Geographic Coverage of the 520 Area Code
The 520 area code serves Tucson and surrounding areas in Arizona. It operates within the (UTC-7) time zone. This area code covers several key cities, including:
- Tucson
- Maricopa
- Casa Grande
- Casas Adobes
- Marana
- Catalina Foothills
Got a call from a 520 number? It came from Tucson, AZ. No other area code overlaps the 520 territory, so the prefix alone identifies where the caller is. Of the listed cities' population, Tucson accounts for about 39.3%; the rest is split across 129 smaller cities.
Tucson Area Code Overview
The 520 area code provides comprehensive telephone coverage for Tucson and its surrounding communities. As the sole area code for this region, it uniquely identifies all local numbers within the service area.
What cities does area code 520 cover?
| City | State | Population | Population in 520 | % of listed-city population | % of City |
|---|---|---|---|---|---|
| Tucson | AZ | 554,013 | 554,013 | 39.3% | 100.0% |
| Maricopa | AZ | 76,654 | 76,654 | 5.4% | 100.0% |
| Casa Grande | AZ | 68,927 | 68,927 | 4.9% | 100.0% |
| Casas Adobes | AZ | 66,795 | 66,795 | 4.7% | 100.0% |
| Marana | AZ | 62,380 | 62,380 | 4.4% | 100.0% |
| Catalina Foothills | AZ | 50,796 | 50,796 | 3.6% | 100.0% |
| Oro Valley | AZ | 48,855 | 48,855 | 3.5% | 100.0% |
| Sierra Vista | AZ | 44,710 | 44,710 | 3.2% | 100.0% |
| Sahuarita | AZ | 37,448 | 37,448 | 2.7% | 100.0% |
| Drexel Heights | AZ | 27,749 | 27,749 | 2.0% | 100.0% |
| Florence | AZ | 24,891 | 24,891 | 1.8% | 100.0% |
| Green Valley | AZ | 21,391 | 21,391 | 1.5% | 100.0% |
| Nogales | AZ | 19,965 | 19,965 | 1.4% | 100.0% |
| Coolidge | AZ | 19,674 | 19,674 | 1.4% | 100.0% |
| Eloy | AZ | 19,199 | 19,199 | 1.4% | 100.0% |
| Rio Rico | AZ | 18,962 | 18,962 | 1.4% | 100.0% |
| Tanque Verde | AZ | 16,901 | 16,901 | 1.2% | 100.0% |
| Flowing Wells | AZ | 16,419 | 16,419 | 1.2% | 100.0% |
| Douglas | AZ | 15,819 | 15,819 | 1.1% | 100.0% |
| Sierra Vista Southeast | AZ | 14,797 | 14,797 | 1.1% | 100.0% |
| Tucson Estates | AZ | 12,192 | 12,192 | 0.9% | 100.0% |
| Arizona City | AZ | 10,475 | 10,475 | 0.7% | 100.0% |
| Vail | AZ | 10,208 | 10,208 | 0.7% | 100.0% |
| Saddlebrooke | AZ | 9,614 | 9,614 | 0.7% | 100.0% |
| Picture Rocks | AZ | 9,563 | 9,563 | 0.7% | 100.0% |
| Valencia West | AZ | 9,355 | 9,355 | 0.7% | 100.0% |
| Catalina | AZ | 7,569 | 7,569 | 0.5% | 100.0% |
| Avra Valley | AZ | 6,050 | 6,050 | 0.4% | 100.0% |
| Corona de Tucson | AZ | 5,675 | 5,675 | 0.4% | 100.0% |
| Three Points | AZ | 5,581 | 5,581 | 0.4% | 100.0% |
| Benson | AZ | 5,499 | 5,499 | 0.4% | 100.0% |
| Summit | AZ | 5,372 | 5,372 | 0.4% | 100.0% |
| Rincon Valley | AZ | 5,139 | 5,139 | 0.4% | 100.0% |
| Bisbee | AZ | 4,957 | 4,957 | 0.4% | 100.0% |
| South Tucson | AZ | 4,535 | 4,535 | 0.3% | 100.0% |
| Oracle | AZ | 3,686 | 3,686 | 0.3% | 100.0% |
| San Manuel | AZ | 3,551 | 3,551 | 0.3% | 100.0% |
| St. Johns | AZ | 3,352 | 3,352 | 0.2% | 100.0% |
| Ajo | AZ | 3,304 | 3,304 | 0.2% | 100.0% |
| Willcox | AZ | 3,217 | 3,217 | 0.2% | 100.0% |
| Superior | AZ | 2,682 | 2,682 | 0.2% | 100.0% |
| Sacaton | AZ | 2,672 | 2,672 | 0.2% | 100.0% |
| Whetstone | AZ | 2,617 | 2,617 | 0.2% | 100.0% |
| Sells | AZ | 2,495 | 2,495 | 0.2% | 100.0% |
| Red Rock | AZ | 2,169 | 2,169 | 0.2% | 100.0% |
| Kearny | AZ | 1,898 | 1,898 | 0.1% | 100.0% |
| Mescal | AZ | 1,812 | 1,812 | 0.1% | 100.0% |
| Pirtleville | AZ | 1,744 | 1,744 | 0.1% | 100.0% |
| St. David | AZ | 1,699 | 1,699 | 0.1% | 100.0% |
| Huachuca City | AZ | 1,604 | 1,604 | 0.1% | 100.0% |
| Casa Blanca | AZ | 1,388 | 1,388 | 0.1% | 100.0% |
| Tombstone | AZ | 1,382 | 1,382 | 0.1% | 100.0% |
| Tubac | AZ | 1,191 | 1,191 | 0.1% | 100.0% |
| Mammoth | AZ | 1,181 | 1,181 | 0.1% | 100.0% |
| Arivaca Junction | AZ | 1,090 | 1,090 | 0.1% | 100.0% |
| Blackwater | AZ | 1,062 | 1,062 | 0.1% | 100.0% |
| Naco | AZ | 1,046 | 1,046 | 0.1% | 100.0% |
| Dudleyville | AZ | 959 | 959 | 0.1% | 100.0% |
| Littletown | AZ | 873 | 873 | 0.1% | 100.0% |
| Ak-Chin Village | AZ | 862 | 862 | 0.1% | 100.0% |
| Komatke | AZ | 821 | 821 | 0.1% | 100.0% |
| Sonoita | AZ | 818 | 818 | 0.1% | 100.0% |
| Patagonia | AZ | 796 | 796 | 0.1% | 100.0% |
| Queen Valley | AZ | 788 | 788 | 0.1% | 100.0% |
| Stanfield | AZ | 740 | 740 | 0.1% | 100.0% |
| Maricopa Colony | AZ | 709 | 709 | 0.1% | 100.0% |
| Arivaca | AZ | 695 | 695 | 0.1% | 100.0% |
| Pimaco Two | AZ | 682 | 682 | 0.1% | 100.0% |
| Stotonic Village | AZ | 659 | 659 | 0.1% | 100.0% |
| Miracle Valley | AZ | 644 | 644 | 0.1% | 100.0% |
| Santa Rosa | AZ | 628 | 628 | 0.1% | 100.0% |
| Gila Crossing | AZ | 621 | 621 | 0.0% | 100.0% |
| Elephant Head | AZ | 612 | 612 | 0.0% | 100.0% |
| Cactus Forest | AZ | 594 | 594 | 0.0% | 100.0% |
| Sacaton Flats Village | AZ | 541 | 541 | 0.0% | 100.0% |
| Hayden | AZ | 513 | 513 | 0.0% | 100.0% |
| Upper Santan Village | AZ | 495 | 495 | 0.0% | 100.0% |
| Picacho | AZ | 471 | 471 | 0.0% | 100.0% |
| Elfrida | AZ | 459 | 459 | 0.0% | 100.0% |
| Goodyear Village | AZ | 457 | 457 | 0.0% | 100.0% |
| Bowie | AZ | 449 | 449 | 0.0% | 100.0% |
| Tumacacori-Carmen | AZ | 393 | 393 | 0.0% | 100.0% |
| Lower Santan Village | AZ | 374 | 374 | 0.0% | 100.0% |
| Pisinemo | AZ | 321 | 321 | 0.0% | 100.0% |
| Topawa | AZ | 299 | 299 | 0.0% | 100.0% |
| Winkelman | AZ | 295 | 295 | 0.0% | 100.0% |
| Amado | AZ | 295 | 295 | 0.0% | 100.0% |
| Sunizona | AZ | 281 | 281 | 0.0% | 100.0% |
| Chuichu | AZ | 269 | 269 | 0.0% | 100.0% |
| Nelson | AZ | 259 | 259 | 0.0% | 100.0% |
| McNeal | AZ | 238 | 238 | 0.0% | 100.0% |
| Dripping Springs | AZ | 235 | 235 | 0.0% | 100.0% |
| Wet Camp Village | AZ | 229 | 229 | 0.0% | 100.0% |
| Palominas | AZ | 212 | 212 | 0.0% | 100.0% |
| Dragoon | AZ | 209 | 209 | 0.0% | 100.0% |
| San Miguel | AZ | 197 | 197 | 0.0% | 100.0% |
| Gu Oidak | AZ | 188 | 188 | 0.0% | 100.0% |
| Beyerville | AZ | 177 | 177 | 0.0% | 100.0% |
| Sacate Village | AZ | 169 | 169 | 0.0% | 100.0% |
| Why | AZ | 167 | 167 | 0.0% | 100.0% |
| San Simon | AZ | 165 | 165 | 0.0% | 100.0% |
| Ali Chuk | AZ | 161 | 161 | 0.0% | 100.0% |
| Elgin | AZ | 161 | 161 | 0.0% | 100.0% |
| Maish Vaya | AZ | 158 | 158 | 0.0% | 100.0% |
| Anegam | AZ | 151 | 151 | 0.0% | 100.0% |
| Kaka | AZ | 141 | 141 | 0.0% | 100.0% |
| Kino Springs | AZ | 136 | 136 | 0.0% | 100.0% |
| Cowlic | AZ | 135 | 135 | 0.0% | 100.0% |
| Ali Chukson | AZ | 132 | 132 | 0.0% | 100.0% |
| Vaiva Vo | AZ | 128 | 128 | 0.0% | 100.0% |
| Wahak Hotrontk | AZ | 114 | 114 | 0.0% | 100.0% |
| South Komelik | AZ | 111 | 111 | 0.0% | 100.0% |
| Rillito | AZ | 97 | 97 | 0.0% | 100.0% |
| Haivana Nakya | AZ | 96 | 96 | 0.0% | 100.0% |
| Sweet Water Village | AZ | 83 | 83 | 0.0% | 100.0% |
| Chiawuli Tak | AZ | 78 | 78 | 0.0% | 100.0% |
| Campo Bonito | AZ | 74 | 74 | 0.0% | 100.0% |
| Ali Molina | AZ | 71 | 71 | 0.0% | 100.0% |
| Charco | AZ | 52 | 52 | 0.0% | 100.0% |
| Ventana | AZ | 49 | 49 | 0.0% | 100.0% |
| Ko Vaya | AZ | 46 | 46 | 0.0% | 100.0% |
| Summerhaven | AZ | 40 | 40 | 0.0% | 100.0% |
| El Capitan | AZ | 37 | 37 | 0.0% | 100.0% |
| Santa Cruz | AZ | 37 | 37 | 0.0% | 100.0% |
| Nolic | AZ | 37 | 37 | 0.0% | 100.0% |
| Ak Chin | AZ | 30 | 30 | 0.0% | 100.0% |
| Kohatk | AZ | 27 | 27 | 0.0% | 100.0% |
| Tat Momoli | AZ | 10 | 10 | 0.0% | 100.0% |
| Comobabi | AZ | 8 | 8 | 0.0% | 100.0% |
| Willow Canyon | AZ | 1 | 1 | 0.0% | 100.0% |
City population is shown in full. The share of each city inside 520 is measured from Census tract centroids, not estimated from a rate-center match – so a city split between two codes appears on both, at the fraction each one actually holds. The “% of listed-city population” column uses the full populations of the cities listed here.
What counties does area code 520 cover?
1,487,566 residents across 5 counties, counted inside the 520 boundary — a county split between codes contributes only its part.
Sources: City populations – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). State populations – the same program, Vintage 2025 (CO-EST2025-ALLDATA). Area-code footprint and county populations – 2020 Census Centers of Population, mapped against NANP area code boundaries. The share of each city inside a code is measured the same way, against Census place boundaries from the Census Bureau's TIGERweb service. Area code assignments – NANPA CO Code data. See our data methodology.
Has area code 520 been reported for unwanted calls?
Yes – 4,123 unwanted-call complaints were reported to the FTC for numbers showing a 520 area code (May 29 – Aug 14, 2026).
- 73% robocalls
- ↑ 45% vs prior period
Most-reported subjects
- Other38%1,571
- Reducing your debt (credit cards, mortgage, student loans)34%1,412
- Calls pretending to be government, businesses, or family and friends7%292
Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints. Source: FTC Do Not Call (DNC) Reported Calls Data, retrieved 2026-08-17.
Which prefixes and exchanges belong to area code 520?
64% assigned to a telco
- 65% Landline
- 35% Wireless
- 0% Unknown
of 637 | ||
| Prefix | Usage | Carrier |
|---|---|---|
| (520)200- | Landline | Allstream |
| (520)201- | Landline | Allstream |
| (520)202- | Landline | Level 3 Telecom Of Arizona |
| (520)203- | Landline | Mcimetro Access Transmission Services |
| (520)204- | Landline | Mcleodusa Telecommunication Services |
| (520)205- | Landline | Qwest |
| (520)206- | Landline | Qwest |
| (520)207- | Landline | Comcast Ip Phone |
| (520)208- | Landline | Global Crossing Local Services |
| (520)209- | Landline | Qwest |
| (520)210- | Landline | Onvoy |
| (520)212- | Landline | Midvale Telephone Exchange |
| (520)213- | Wireless | T-Mobile Usa |
| (520)214- | Landline | Onvoy |
| (520)215- | Landline | Gila River Telecomm |
| (520)216- | Wireless | Verizon Wireless |
| (520)217- | Landline | Qwest |
| (520)218- | Landline | Qwest |
| (520)219- | Landline | Qwest |
| (520)220- | Wireless | T-Mobile Usa |
| (520)221- | Wireless | Verizon Wireless |
| (520)222- | Landline | Qwest |
| (520)223- | Landline | Level 3 Communications |
| (520)224- | Landline | Allstream |
| (520)225- | Landline | Qwest |
| (520)226- | Landline | Level 3 Communications |
| (520)227- | Wireless | T-Mobile Usa |
| (520)228- | Landline | Qwest |
| (520)229- | Landline | Qwest |
| (520)230- | Wireless | Verizon Wireless |
| (520)231- | Landline | Bandwidth.Com Clec |
| (520)232- | Landline | Qwest |
| (520)233- | Landline | Onvoy |
| (520)234- | Landline | At&T |
| (520)235- | Wireless | Verizon Wireless |
| (520)236- | Landline | Metropcs |
| (520)237- | Wireless | Verizon Wireless |
| (520)238- | Wireless | T-Mobile Usa |
| (520)239- | Landline | At&T |
| (520)240- | Wireless | Verizon Wireless |
| (520)241- | Wireless | New Cingular Wireless Pcs |
| (520)242- | Wireless | Verizon Wireless |
| (520)243- | Landline | Qwest |
| (520)244- | Wireless | T-Mobile Usa |
| (520)245- | Wireless | T-Mobile Usa |
| (520)246- | Landline | Level 3 Communications |
| (520)247- | Wireless | New Cingular Wireless Pcs |
| (520)248- | Wireless | T-Mobile Usa |
| (520)249- | Wireless | T-Mobile Usa |
| (520)250- | Wireless | T-Mobile Usa |
| (520)251- | Wireless | T-Mobile Usa |
| (520)252- | Wireless | T-Mobile Usa |
| (520)253- | Wireless | Verizon Wireless |
| (520)254- | Landline | Level 3 Communications |
| (520)255- | Wireless | Verizon Wireless |
| (520)256- | Wireless | T-Mobile Usa |
| (520)257- | Wireless | T-Mobile Usa |
| (520)258- | Landline | Qwest |
| (520)259- | Landline | North County Communications |
| (520)260- | Wireless | Verizon Wireless |
| (520)261- | Landline | Bandwidth.Com Clec |
| (520)262- | Wireless | Verizon Wireless |
| (520)263- | Landline | Comcast Ip Phone |
| (520)264- | Landline | At&T |
| (520)265- | Wireless | T-Mobile Usa |
| (520)266- | Wireless | T-Mobile Usa |
| (520)267- | Landline | North County Communications |
| (520)268- | Wireless | Verizon Wireless |
| (520)269- | Wireless | Verizon Wireless |
| (520)270- | Wireless | T-Mobile Usa |
| (520)271- | Wireless | T-Mobile Usa |
| (520)272- | Wireless | New Cingular Wireless Pcs |
| (520)273- | Wireless | New Cingular Wireless Pcs |
| (520)274- | Wireless | T-Mobile Usa |
| (520)275- | Wireless | New Cingular Wireless Pcs |
| (520)276- | Landline | Bandwidth.Com Clec |
| (520)277- | Landline | Onvoy |
| (520)278- | Landline | Metropcs |
| (520)279- | Wireless | Verizon Wireless |
| (520)280- | Wireless | T-Mobile Usa |
| (520)281- | Landline | Qwest |
| (520)282- | Wireless | Verizon Wireless |
| (520)283- | Wireless | T-Mobile Usa |
| (520)284- | Landline | Mcimetro Access Transmission Services |
| (520)285- | Landline | Qwest |
| (520)286- | Wireless | T-Mobile Usa |
| (520)287- | Landline | Qwest |
| (520)288- | Wireless | New Cingular Wireless Pcs |
| (520)289- | Wireless | Verizon Wireless |
| (520)290- | Landline | Qwest |
| (520)291- | Landline | Qwest |
| (520)292- | Landline | Qwest |
| (520)293- | Landline | Qwest |
| (520)294- | Landline | Qwest |
| (520)295- | Landline | Qwest |
| (520)296- | Landline | Qwest |
| (520)297- | Landline | Qwest |
| (520)298- | Landline | Qwest |
| (520)299- | Landline | Qwest |
| (520)300- | Wireless | Verizon Wireless |
| (520)301- | Wireless | New Cingular Wireless Pcs |
| (520)302- | Wireless | New Cingular Wireless Pcs |
| (520)303- | Landline | Ymax Communications |
| (520)304- | Wireless | New Cingular Wireless Pcs |
| (520)305- | Wireless | Verizon Wireless |
| (520)306- | Wireless | Verizon Wireless |
| (520)307- | Wireless | Verizon Wireless |
| (520)308- | Wireless | New Cingular Wireless Pcs |
| (520)309- | Wireless | New Cingular Wireless Pcs |
| (520)310- | Wireless | Verizon Wireless |
| (520)312- | Wireless | New Cingular Wireless Pcs |
| (520)313- | Wireless | T-Mobile Usa |
| (520)314- | Landline | Level 3 Communications |
| (520)315- | Landline | Gila River Telecomm |
| (520)316- | Landline | Qwest |
| (520)317- | Landline | Onvoy |
| (520)318- | Landline | Qwest |
| (520)319- | Landline | Qwest |
| (520)320- | Landline | Qwest |
| (520)321- | Landline | Qwest |
| (520)322- | Landline | Qwest |
| (520)323- | Landline | Qwest |
| (520)324- | Landline | Qwest |
| (520)325- | Landline | Comcast Ip Phone |
| (520)326- | Landline | Qwest |
| (520)327- | Landline | Qwest |
| (520)328- | Landline | Qwest |
| (520)329- | Landline | Teleport Communications America |
| (520)330- | Wireless | Verizon Wireless |
| (520)331- | Wireless | T-Mobile Usa |
| (520)332- | Wireless | T-Mobile Usa |
| (520)333- | Landline | Xo Arizona |
| (520)334- | Wireless | Verizon Wireless |
| (520)335- | Landline | Comcast Ip Phone |
| (520)336- | Wireless | New Cingular Wireless Pcs |
| (520)337- | Landline | Level 3 Communications |
| (520)338- | Landline | Onvoy |
| (520)339- | Wireless | New Cingular Wireless Pcs |
| (520)340- | Wireless | Verizon Wireless |
| (520)341- | Landline | Telnyx |
| (520)342- | Landline | Onvoy |
| (520)343- | Wireless | Verizon Wireless |
| (520)344- | Wireless | New Cingular Wireless Pcs |
| (520)345- | Wireless | Verizon Wireless |
| (520)346- | Landline | Peerless Network Of Arizona |
| (520)347- | Landline | Telnyx |
| (520)348- | Landline | Centurylink Communications |
| (520)349- | Wireless | Verizon Wireless |
| (520)350- | Landline | Gila Local Exchange Carrier |
| (520)351- | Landline | Level 3 Telecom Of Arizona |
| (520)352- | Landline | Allstream |
| (520)353- | Landline | Onvoy |
| (520)354- | Wireless | Verizon Wireless |
| (520)355- | Landline | Bandwidth.Com Clec |
| (520)356- | Landline | Qwest |
| (520)357- | Landline | Qwest |
| (520)358- | Wireless | New Cingular Wireless Pcs |
| (520)359- | Landline | Metropcs |
| (520)360- | Wireless | New Cingular Wireless Pcs |
| (520)361- | Landline | Tohono O'odham Utility Authority |
| (520)362- | Landline | Tohono O'odham Utility Authority |
| (520)363- | Landline | Qwest |
| (520)364- | Landline | Qwest |
| (520)365- | Wireless | T-Mobile Usa |
| (520)366- | Landline | Qwest |
| (520)367- | Landline | Onvoy Spectrum |
| (520)368- | Landline | Qwest |
| (520)369- | Landline | Level 3 Communications |
| (520)370- | Wireless | T-Mobile Usa |
| (520)371- | Landline | Metropcs |
| (520)372- | Landline | Comcast Ip Phone |
| (520)373- | Wireless | T-Mobile Usa |
| (520)374- | Landline | Qwest |
| (520)375- | Landline | Qwest |
| (520)376- | Landline | Metropcs |
| (520)377- | Landline | Qwest |
| (520)378- | Landline | Qwest |
| (520)379- | Landline | Onvoy |
| (520)380- | Wireless | T-Mobile Usa |
| (520)381- | Landline | Allstream |
| (520)382- | Landline | Level 3 Telecom Of Arizona |
| (520)383- | Landline | Tohono O'odham Utility Authority |
| (520)384- | Landline | Qwest |
| (520)385- | Landline | Qwest |
| (520)386- | Wireless | New Cingular Wireless Pcs |
| (520)387- | Landline | Table Top Telephone |
| (520)388- | Landline | Qwest |
| (520)389- | Wireless | New Cingular Wireless Pcs |
| (520)390- | Wireless | T-Mobile Usa |
| (520)391- | Landline | Allstream |
| (520)392- | Wireless | New Cingular Wireless Pcs |
| (520)393- | Landline | Qwest |
| (520)394- | Landline | Qwest |
| (520)395- | Landline | Comcast Ip Phone |
| (520)396- | Wireless | Verizon Wireless |
| (520)397- | Landline | Qwest |
| (520)398- | Landline | Qwest |
| (520)399- | Landline | Qwest |
| (520)400- | Wireless | Verizon Wireless |
| (520)401- | Wireless | T-Mobile Usa |
| (520)402- | Wireless | T-Mobile Usa |
| (520)403- | Wireless | Verizon Wireless |
| (520)404- | Wireless | Verizon Wireless |
| (520)405- | Wireless | Verizon Wireless |
| (520)406- | Wireless | New Cingular Wireless Pcs |
| (520)407- | Landline | Qwest |
| (520)408- | Landline | Qwest |
| (520)409- | Wireless | New Cingular Wireless Pcs |
| (520)410- | Landline | Qwest |
| (520)412- | Landline | Peerless Network Of Arizona |
| (520)413- | Landline | Level 3 Communications |
| (520)414- | Landline | Level 3 Communications |
| (520)415- | Landline | Mcc Telephony Of The West |
| (520)416- | Landline | Exiant Communications |
| (520)417- | Landline | Qwest |
| (520)418- | Landline | Gila River Telecomm |
| (520)419- | Wireless | Verizon Wireless |
| (520)420- | Landline | Hd Carrier |
| (520)421- | Landline | Qwest |
| (520)422- | Landline | At&T |
| (520)423- | Landline | Qwest |
| (520)424- | Landline | Qwest |
| (520)425- | Wireless | Verizon Wireless |
| (520)426- | Landline | Qwest |
| (520)427- | Wireless | T-Mobile Usa |
| (520)428- | Wireless | New Cingular Wireless Pcs |
| (520)429- | Wireless | Verizon Wireless |
| (520)430- | Landline | Gila River Telecomm |
| (520)431- | Wireless | New Cingular Wireless Pcs |
| (520)432- | Landline | Qwest |
| (520)433- | Landline | Level 3 Communications |
| (520)434- | Landline | Qwest |
| (520)436- | Landline | Onvoy |
| (520)437- | Landline | Xo Arizona |
| (520)438- | Landline | Onvoy |
| (520)439- | Landline | Qwest |
| (520)440- | Wireless | T-Mobile Usa |
| (520)441- | Wireless | New Cingular Wireless Pcs |
| (520)442- | Landline | Bandwidth.Com Clec |
| (520)443- | Wireless | T-Mobile Usa |
| (520)444- | Wireless | Verizon Wireless |
| (520)445- | Wireless | New Cingular Wireless Pcs |
| (520)446- | Wireless | Usa Mobility Wireless |
| (520)447- | Landline | Onvoy |
| (520)448- | Landline | Peerless Network Of Arizona |
| (520)449- | Wireless | Verizon Wireless |
| (520)450- | Wireless | T-Mobile Usa |
| (520)451- | Wireless | Verizon Wireless |
| (520)452- | Landline | Qwest |
| (520)453- | Wireless | Verizon Wireless |
| (520)454- | Landline | Qwest |
| (520)455- | Landline | Qwest |
| (520)456- | Landline | Qwest |
| (520)457- | Landline | Qwest |
| (520)458- | Landline | Qwest |
| (520)459- | Landline | Qwest |
| (520)460- | Wireless | Commnet Wireless |
| (520)461- | Landline | Allstream |
| (520)462- | Landline | Onvoy |
| (520)463- | Landline | Qwest |
| (520)464- | Landline | Qwest |
| (520)465- | Wireless | New Cingular Wireless Pcs |
| (520)466- | Landline | Qwest |
| (520)467- | Landline | Onvoy |
| (520)468- | Landline | Onvoy |
| (520)469- | Landline | Qwest |
| (520)470- | Wireless | T-Mobile Usa |
| (520)471- | Wireless | Verizon Wireless |
| (520)472- | Landline | Qwest |
| (520)473- | Wireless | T-Mobile Usa |
| (520)474- | Wireless | T-Mobile Usa |
| (520)475- | Wireless | Csc Wireless |
| (520)476- | Landline | Nuso |
| (520)477- | Landline | Mcimetro Access Transmission Services |
| (520)478- | Landline | Teleport Communications America |
| (520)479- | Wireless | Commnet Wireless |
| (520)481- | Wireless | T-Mobile Usa |
| (520)482- | Wireless | New Cingular Wireless Pcs |
| (520)483- | Wireless | Verizon Wireless |
| (520)484- | Landline | Nuso |
| (520)485- | Landline | Bandwidth.Com Clec |
| (520)486- | Wireless | New Cingular Wireless Pcs |
| (520)487- | Landline | Qwest |
| (520)488- | Wireless | Verizon Wireless |
| (520)489- | Landline | Qwest |
| (520)490- | Wireless | Verizon Wireless |
| (520)491- | Wireless | T-Mobile Usa |
| (520)492- | Landline | Comcast Ip Phone |
| (520)493- | Landline | Firstdigital Telecom |
| (520)494- | Landline | Qwest |
| (520)495- | Landline | Level 3 Telecom Of Arizona |
| (520)496- | Wireless | Verizon Wireless |
| (520)497- | Landline | Bandwidth.Com Clec |
| (520)498- | Landline | Qwest |
| (520)499- | Wireless | T-Mobile Usa |
| (520)500- | Landline | Onvoy |
| (520)501- | Landline | Twilio International |
| (520)502- | Landline | Onvoy |
| (520)503- | Landline | Onvoy |
| (520)504- | Wireless | T-Mobile Usa |
| (520)505- | Landline | Allstream |
| (520)506- | Landline | Onvoy |
| (520)507- | Wireless | Verizon Wireless |
| (520)508- | Wireless | Verizon Wireless |
| (520)509- | Landline | Level 3 Communications |
| (520)510- | Wireless | New Cingular Wireless Pcs |
| (520)512- | Landline | Qwest |
| (520)513- | Landline | Qwest |
| (520)514- | Landline | Qwest |
| (520)515- | Landline | Qwest |
| (520)516- | Landline | Qwest |
| (520)517- | Wireless | Verizon Wireless |
| (520)518- | Wireless | New Cingular Wireless Pcs |
| (520)519- | Landline | Qwest |
| (520)520- | Landline | Onvoy |
| (520)521- | Landline | Hd Carrier |
| (520)522- | Landline | Fractel |
| (520)523- | Landline | Onvoy |
| (520)524- | Landline | Onvoy |
| (520)525- | Landline | Onvoy |
| (520)526- | Landline | Commio |
| (520)527- | Landline | Onvoy |
| (520)528- | Wireless | Verizon Wireless |
| (520)529- | Landline | Qwest |
| (520)530- | Landline | Onvoy |
| (520)531- | Landline | Qwest |
| (520)532- | Landline | Onvoy |
| (520)533- | Landline | Qwest |
| (520)534- | Wireless | T-Mobile Usa |
| (520)535- | Wireless | T-Mobile Usa |
| (520)536- | Landline | Onvoy |
| (520)537- | Landline | Ip Horizon |
| (520)538- | Landline | Qwest |
| (520)539- | Wireless | Verizon Wireless |
| (520)540- | Landline | Bandwidth.Com Clec |
| (520)541- | Wireless | Verizon Wireless |
| (520)542- | Landline | Level 3 Communications |
| (520)543- | Wireless | T-Mobile Usa |
| (520)544- | Landline | Qwest |
| (520)545- | Landline | Level 3 Telecom Of Arizona |
| (520)546- | Landline | Qwest |
| (520)547- | Landline | Level 3 Telecom Of Arizona |
| (520)548- | Wireless | New Cingular Wireless Pcs |
| (520)549- | Wireless | Verizon Wireless |
| (520)550- | Landline | Gila River Telecomm |
| (520)551- | Wireless | New Cingular Wireless Pcs |
| (520)552- | Landline | Onvoy |
| (520)553- | Wireless | T-Mobile Usa |
| (520)554- | Wireless | New Cingular Wireless Pcs |
| (520)556- | Wireless | T-Mobile Usa |
| (520)557- | Landline | Commio |
| (520)558- | Landline | Valley Tel Coop |
| (520)559- | Wireless | Verizon Wireless |
| (520)560- | Wireless | New Cingular Wireless Pcs |
| (520)561- | Wireless | Verizon Wireless |
| (520)562- | Landline | Gila River Telecomm |
| (520)563- | Landline | Ip Horizon |
| (520)564- | Landline | Ip Horizon |
| (520)565- | Wireless | New Cingular Wireless Pcs |
| (520)566- | Landline | Qwest |
| (520)567- | Landline | Ip Horizon |
| (520)568- | Landline | Qwest |
| (520)569- | Landline | Ip Horizon |
| (520)570- | Landline | Qwest |
| (520)571- | Landline | Qwest |
| (520)572- | Landline | Qwest |
| (520)573- | Landline | Qwest |
| (520)574- | Landline | Qwest |
| (520)575- | Landline | Qwest |
| (520)576- | Landline | Qwest |
| (520)577- | Landline | Qwest |
| (520)578- | Landline | Qwest |
| (520)579- | Landline | Qwest |
| (520)580- | Landline | Onvoy Spectrum |
| (520)581- | Landline | Ip Horizon |
| (520)582- | Landline | Level 3 Telecom Of Arizona |
| (520)583- | Landline | Ip Horizon |
| (520)584- | Landline | Qwest |
| (520)585- | Landline | Metropcs |
| (520)586- | Landline | Qwest |
| (520)587- | Wireless | New Cingular Wireless Pcs |
| (520)588- | Landline | Fractel |
| (520)589- | Landline | Level 3 Communications |
| (520)590- | Wireless | Verizon Wireless |
| (520)591- | Wireless | Verizon Wireless |
| (520)592- | Landline | Telnyx |
| (520)593- | Landline | Onvoy |
| (520)594- | Landline | Qwest |
| (520)595- | Landline | Centurylink Communications |
| (520)596- | Wireless | T-Mobile Usa |
| (520)597- | Landline | Onvoy |
| (520)598- | Landline | Metropcs |
| (520)599- | Wireless | New Cingular Wireless Pcs |
| (520)600- | Landline | Onvoy |
| (520)601- | Wireless | Verizon Wireless |
| (520)603- | Wireless | Verizon Wireless |
| (520)604- | Wireless | Verizon Wireless |
| (520)605- | Landline | Bandwidth.Com Clec |
| (520)606- | Landline | Metropcs |
| (520)607- | Wireless | New Cingular Wireless Pcs |
| (520)608- | Landline | Onvoy |
| (520)609- | Wireless | Verizon Wireless |
| (520)610- | Wireless | Verizon Wireless |
| (520)612- | Landline | Bandwidth.Com Clec |
| (520)613- | Wireless | New Cingular Wireless Pcs |
| (520)614- | Landline | Onvoy |
| (520)615- | Landline | Qwest |
| (520)616- | Landline | Qwest |
| (520)617- | Landline | Qwest |
| (520)618- | Landline | Level 3 Telecom Of Arizona |
| (520)619- | Wireless | T-Mobile Usa |
| (520)620- | Landline | Qwest |
| (520)621- | Landline | Qwest |
| (520)622- | Landline | Qwest |
| (520)623- | Landline | Qwest |
| (520)624- | Landline | Qwest |
| (520)625- | Landline | Qwest |
| (520)626- | Landline | Qwest |
| (520)627- | Wireless | Verizon Wireless |
| (520)628- | Landline | Qwest |
| (520)629- | Landline | Qwest |
| (520)630- | Landline | Onvoy |
| (520)631- | Wireless | T-Mobile Usa |
| (520)632- | Wireless | Verizon Wireless |
| (520)633- | Wireless | Verizon Wireless |
| (520)634- | Wireless | T-Mobile Usa |
| (520)635- | Wireless | T-Mobile Usa |
| (520)636- | Landline | Peerless Network Of Arizona |
| (520)637- | Wireless | T-Mobile Usa |
| (520)638- | Landline | Qwest |
| (520)639- | Landline | Centurylink Communications |
| (520)640- | Landline | Level 3 Communications |
| (520)641- | Landline | Ton80 Communications |
| (520)642- | Landline | Valley Tel Coop |
| (520)643- | Wireless | Verizon Wireless |
| (520)644- | Landline | Fractel |
| (520)645- | Wireless | Verizon Wireless |
| (520)646- | Landline | Ton80 Communications |
| (520)647- | Landline | Qwest |
| (520)648- | Landline | Qwest |
| (520)649- | Wireless | Verizon Wireless |
| (520)650- | Landline | Onvoy |
| (520)651- | Wireless | Verizon Wireless |
| (520)652- | Landline | Qwest |
| (520)653- | Landline | Bandwidth.Com Clec |
| (520)654- | Landline | Commio |
| (520)655- | Landline | Fractel |
| (520)656- | Wireless | Verizon Wireless |
| (520)657- | Landline | Bandwidth.Com Clec |
| (520)658- | Wireless | T-Mobile Usa |
| (520)659- | Landline | Nuso |
| (520)660- | Wireless | T-Mobile Usa |
| (520)661- | Wireless | T-Mobile Usa |
| (520)662- | Landline | Qwest |
| (520)663- | Landline | Qwest |
| (520)664- | Landline | Qwest |
| (520)665- | Landline | Qwest |
| (520)666- | Landline | Onvoy |
| (520)667- | Landline | Nuso |
| (520)668- | Wireless | Verizon Wireless |
| (520)669- | Landline | Mcimetro Access Transmission Services |
| (520)670- | Landline | Qwest |
| (520)671- | Landline | Mcimetro Access Transmission Services |
| (520)672- | Landline | Mcimetro Access Transmission Services |
| (520)673- | Landline | Mcimetro Access Transmission Services |
| (520)674- | Landline | Mcimetro Access Transmission Services |
| (520)678- | Wireless | Verizon Wireless |
| (520)682- | Landline | Qwest |
| (520)685- | Landline | Comcast Ip Phone |
| (520)686- | Wireless | Verizon Wireless |
| (520)688- | Landline | Fractel |
| (520)689- | Landline | Qwest |
| (520)690- | Landline | Qwest |
| (520)694- | Landline | Level 3 Telecom Of Arizona |
| (520)695- | Landline | Qwest |
| (520)696- | Landline | Qwest |
| (520)699- | Landline | Fractel |
| (520)702- | Landline | Onvoy |
| (520)704- | Wireless | New Cingular Wireless Pcs |
| (520)705- | Wireless | Verizon Wireless |
| (520)709- | Wireless | Verizon Wireless |
| (520)710- | Landline | Onvoy Spectrum |
| (520)712- | Landline | Qwest |
| (520)719- | Landline | Bandwidth.Com Clec |
| (520)720- | Landline | Qwest |
| (520)721- | Landline | Qwest |
| (520)722- | Landline | Qwest |
| (520)723- | Landline | Qwest |
| (520)724- | Landline | Qwest |
| (520)727- | Wireless | New Cingular Wireless Pcs |
| (520)729- | Wireless | Verizon Wireless |
| (520)730- | Wireless | Verizon Wireless |
| (520)731- | Landline | Qwest |
| (520)732- | Wireless | Verizon Wireless |
| (520)733- | Landline | Qwest |
| (520)740- | Landline | Qwest |
| (520)741- | Landline | Qwest |
| (520)742- | Landline | Qwest |
| (520)743- | Landline | Qwest |
| (520)744- | Landline | Qwest |
| (520)745- | Landline | Qwest |
| (520)746- | Landline | Qwest |
| (520)747- | Landline | Qwest |
| (520)748- | Landline | Qwest |
| (520)749- | Landline | Qwest |
| (520)750- | Landline | Qwest |
| (520)751- | Landline | Qwest |
| (520)755- | Landline | Fractel |
| (520)758- | Landline | Fractel |
| (520)759- | Wireless | Verizon Wireless |
| (520)760- | Landline | Qwest |
| (520)761- | Landline | Qwest |
| (520)762- | Landline | Qwest |
| (520)766- | Landline | Valley Connections |
| (520)770- | Landline | Qwest |
| (520)771- | Landline | Vonage America |
| (520)772- | Landline | Ton80 Communications |
| (520)775- | Landline | Bandwidth.Com Clec |
| (520)777- | Landline | Level 3 Telecom Of Arizona |
| (520)779- | Landline | Bandwidth.Com Clec |
| (520)780- | Wireless | Verizon Wireless |
| (520)783- | Landline | Metropcs |
| (520)784- | Landline | Qwest |
| (520)788- | Wireless | T-Mobile Usa |
| (520)789- | Wireless | T-Mobile Usa |
| (520)790- | Landline | Qwest |
| (520)791- | Landline | Qwest |
| (520)792- | Landline | Qwest |
| (520)793- | Landline | Qwest |
| (520)794- | Landline | Qwest |
| (520)795- | Landline | Qwest |
| (520)796- | Landline | Gila River Telecomm |
| (520)797- | Landline | Qwest |
| (520)798- | Landline | Qwest |
| (520)799- | Landline | Qwest |
| (520)800- | Landline | Onvoy |
| (520)803- | Landline | Qwest |
| (520)805- | Landline | Qwest |
| (520)806- | Landline | Qwest |
| (520)807- | Landline | Qwest |
| (520)808- | Wireless | New Cingular Wireless Pcs |
| (520)809- | Landline | Intrado Communications |
| (520)812- | Landline | Ymax Communications |
| (520)815- | Landline | Bandwidth.Com Clec |
| (520)818- | Landline | Qwest |
| (520)820- | Wireless | Verizon Wireless |
| (520)822- | Landline | Qwest |
| (520)823- | Landline | Arizona Tel. Co. |
| (520)824- | Landline | Valley Tel Coop |
| (520)825- | Landline | Qwest |
| (520)826- | Landline | Valley Tel Coop |
| (520)827- | Wireless | Verizon Wireless |
| (520)829- | Landline | Level 3 Communications |
| (520)831- | Wireless | T-Mobile Usa |
| (520)833- | Wireless | Verizon Wireless |
| (520)834- | Wireless | New Cingular Wireless Pcs |
| (520)836- | Landline | Qwest |
| (520)837- | Landline | Teleport Communications America |
| (520)838- | Landline | Qwest |
| (520)839- | Wireless | T-Mobile Usa |
| (520)840- | Wireless | Verizon Wireless |
| (520)841- | Wireless | New Cingular Wireless Pcs |
| (520)842- | Landline | Onvoy |
| (520)843- | Landline | Onvoy |
| (520)844- | Landline | Onvoy |
| (520)845- | Landline | Valley Tel Coop |
| (520)847- | Landline | Valley Tel Coop |
| (520)848- | Landline | Metropcs |
| (520)849- | Landline | Airus |
| (520)850- | Wireless | Verizon Wireless |
| (520)858- | Landline | Qwest |
| (520)860- | Wireless | Verizon Wireless |
| (520)861- | Wireless | T-Mobile Usa |
| (520)866- | Landline | Qwest |
| (520)867- | Wireless | New Cingular Wireless Pcs |
| (520)868- | Landline | Qwest |
| (520)869- | Wireless | T-Mobile Usa |
| (520)870- | Wireless | T-Mobile Usa |
| (520)872- | Landline | Qwest |
| (520)873- | Landline | Qwest |
| (520)874- | Landline | Qwest |
| (520)876- | Landline | Qwest |
| (520)877- | Landline | Qwest |
| (520)878- | Landline | Qwest |
| (520)879- | Landline | Qwest |
| (520)881- | Landline | Qwest |
| (520)882- | Landline | Qwest |
| (520)883- | Landline | Qwest |
| (520)884- | Landline | Qwest |
| (520)885- | Landline | Qwest |
| (520)886- | Landline | Qwest |
| (520)887- | Landline | Qwest |
| (520)888- | Landline | Qwest |
| (520)889- | Landline | Qwest |
| (520)891- | Wireless | T-Mobile Usa |
| (520)895- | Landline | Level 3 Telecom Of Arizona |
| (520)896- | Landline | Qwest |
| (520)898- | Landline | Midvale Telephone Exchange |
| (520)899- | Landline | Fractel |
| (520)900- | Landline | Onvoy |
| (520)901- | Landline | Level 3 Telecom Of Arizona |
| (520)903- | Landline | Qwest |
| (520)904- | Wireless | Verizon Wireless |
| (520)906- | Wireless | New Cingular Wireless Pcs |
| (520)907- | Wireless | New Cingular Wireless Pcs |
| (520)908- | Landline | Qwest |
| (520)909- | Wireless | Verizon Wireless |
| (520)910- | Landline | Radiantiq |
| (520)912- | Wireless | New Cingular Wireless Pcs |
| (520)917- | Landline | Mcimetro Access Transmission Services |
| (520)918- | Landline | Mcimetro Access Transmission Services |
| (520)921- | Wireless | T-Mobile Usa |
| (520)924- | Landline | Allstream |
| (520)929- | Landline | Ton80 Communications |
| (520)930- | Wireless | Usa Mobility Wireless |
| (520)934- | Landline | Ton80 Communications |
| (520)940- | Wireless | T-Mobile Usa |
| (520)949- | Landline | Ton80 Communications |
| (520)954- | Wireless | Verizon Wireless |
| (520)955- | Wireless | Verizon Wireless |
| (520)965- | Wireless | T-Mobile Usa |
| (520)966- | Landline | Fractel |
| (520)971- | Wireless | T-Mobile Usa |
| (520)975- | Wireless | Verizon Wireless |
| (520)977- | Wireless | T-Mobile Usa |
| (520)979- | Wireless | T-Mobile Usa |
| (520)980- | Landline | Metropcs |
| (520)981- | Wireless | T-Mobile Usa |
| (520)982- | Wireless | T-Mobile Usa |
| (520)987- | Wireless | Verizon Wireless |
| (520)988- | Wireless | Verizon Wireless |
| (520)989- | Landline | Allstream |
| (520)990- | Wireless | T-Mobile Usa |
| (520)991- | Wireless | T-Mobile Usa |
| (520)993- | Wireless | Verizon Wireless |
| (520)994- | Landline | Ton80 Communications |
| (520)999- | Landline | Onvoy |
| No prefixes match “”. | ||
Frequently Asked Questions about the 520 Area Code
Who called me from a 520 number?
A 520 number is assigned to Tucson, Arizona, so a call may come from there. But caller ID is easy to fake, and scammers often spoof a local 520 code to look nearby, so a 520 number doesn't prove the caller is local. Recently, 4,123 unwanted-call complaints were reported to the FTC for numbers showing the 520 code (73% flagged as robocalls). If you don't recognize the number, let it go to voicemail; a real caller will leave a message.
Is 520 a scam area code?
No area code is a scam on its own. 520 is a normal, officially assigned code for Tucson, Arizona. Spam callers spoof local codes to raise the odds you answer, so 520 on your caller ID says nothing about who is really calling. Recently, 4,123 unwanted-call complaints were reported to the FTC for numbers showing the 520 code (73% flagged as robocalls). Judge the call itself, not the area code.
Why do I keep getting calls from the 520 area code?
Repeated calls from different 520 numbers are usually spoofing: a robocaller rotates through 520 numbers so each call looks local and slips past simple blocks. Recently, 4,123 unwanted-call complaints were reported to the FTC for numbers showing the 520 code (73% flagged as robocalls). Blocking one number rarely helps; voicemail screening, your carrier spam filter, and the Do Not Call Registry work better.
Should I answer an unknown 520 number?
If you aren't expecting a 520 call, let it ring to voicemail. Legitimate callers leave a message, most robocallers hang up when no one picks up, and answering can mark your number as active and bring more calls.
How do I block calls from the 520 area code?
Block a single 520 number from your recent-calls list (iPhone: tap the number, then Block this Caller; Android: tap the number, then Block or report spam). To cut the volume, turn on Silence Unknown Callers on iPhone or spam protection on Android, enable spam filtering from your carrier, and register at DoNotCall.gov. Blocking the entire 520 code also stops legitimate local calls, so use it only as a last resort.
Where is area code 520?
Area code 520 covers Tucson and the surrounding area in Arizona, spanning 130 cities with about 1,487,566 residents. No other code overlays this region, so 520 alone identifies the area.
When did area code 520 go into service?
Area code 520 went into service on March 19, 1995. It was split off from area code 602.
Is 520 a real area code?
Yes. 520 is an active code in the North American Numbering Plan, assigned by NANPA and in service for Tucson, Arizona. A real code can still show up on spoofed spam calls, so treat unknown 520 calls with normal caution.
What timezone is the 520 area code in?
The 520 area code is in the (UTC-7). Because a number can be kept when someone moves or switches to VoIP, a specific 520 caller may not be in that zone.
How do I call a 520 number from abroad?
From outside the US, dial your country's exit code, then 1 (the US country code), then 520 and the seven-digit number. From a mobile phone you can usually just enter +1 520 followed by the number and let the phone add the exit code for you.