520
Tucson, Arizona
Arizona · Mountain (UTC-7) · — · 9 cities
Cities Served by Area Code 520 (9 cities)
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%)
| Prefix | Carrier | Type | Rate Center |
|---|---|---|---|
| 520-200 | Electric Lightwave | Landline | Hayden |
| 520-201 | Electric Lightwave | Landline | San Manuel |
| 520-202 | Lumen/Level 3 | Landline | Tucson |
| 520-203 | MCI/Verizon | Wireless | Tucson |
| 520-204 | Paetec Itel | Landline | Tucson |
| 520-205 | CenturyLink | Landline | Tucson |
| 520-206 | CenturyLink | Landline | Tucson |
| 520-207 | Comcast | Landline | Tucson |
| 520-208 | Lumen/Level 3 | Landline | Casagrande |
| 520-209 | CenturyLink | Landline | Tucson |
| 520-210 | Onvoy | Landline | Tombstone |
| 520-211 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 520-212 | Midvale Telephone Exchange | Landline | Cascabel |
| 520-213 | T-Mobile | Wireless | Casagrande |
| 520-214 | Onvoy | Landline | Tucson |
| 520-215 | Gila River Telecomm | Landline | Blackwater |
| 520-216 | Verizon Wireless | Wireless | Nogales |
| 520-217 | CenturyLink | Landline | Casagrande |
| 520-218 | CenturyLink | Landline | Tucson |
| 520-219 | CenturyLink | Landline | Tucson |
| 520-220 | T-Mobile | Wireless | Sierravist |
| 520-221 | Verizon Wireless | Wireless | Benson |
| 520-222 | CenturyLink | Landline | Tucson |
| 520-223 | Lumen/Level 3 | Landline | Nogales |
| 520-224 | Electric Lightwave | Landline | Sierravist |
| 520-225 | CenturyLink | Landline | Tucson |
| 520-226 | Lumen/Level 3 | Landline | Sierravist |
| 520-227 | T-Mobile | Wireless | Sierravist |
| 520-228 | CenturyLink | Landline | Tucson |
| 520-229 | CenturyLink | Landline | Tucson |
| 520-230 | Verizon Wireless | Wireless | Tucson |
| 520-231 | Bandwidth.com | Landline | Whitlow |
| 520-232 | CenturyLink | Landline | Tucson |
| 520-233 | Onvoy | Landline | Casagrande |
| 520-234 | T-Mobile | Wireless | Sierravist |
| 520-235 | Verizon Wireless | Wireless | Tucson |
| 520-236 | Metro by T-Mobile | Wireless | Sierravist |
| 520-237 | Verizon Wireless | Wireless | Tucson |
| 520-238 | T-Mobile | Wireless | Yuma |
| 520-239 | Teleport Communications America | Landline | Tucson |
| 520-240 | Verizon Wireless | Wireless | Tucson |
| 520-241 | AT&T Mobility | Wireless | Tucson |
| 520-242 | Verizon Wireless | Wireless | Willcox |
| 520-243 | CenturyLink | Landline | Tucson |
| 520-244 | T-Mobile | Wireless | Tucson |
| 520-245 | T-Mobile | Wireless | Tucson |
| 520-246 | Lumen/Level 3 | Landline | Tucson |
| 520-247 | AT&T Mobility | Wireless | Tucson |
| 520-248 | T-Mobile | Wireless | Tucson |
| 520-249 | T-Mobile | Wireless | Sierravist |
| 520-250 | T-Mobile | Wireless | Tucson |
| 520-251 | T-Mobile | Wireless | Casagrande |
| 520-252 | T-Mobile | Wireless | Casagrande |
| 520-253 | Verizon Wireless | Wireless | Willcox |
| 520-254 | Lumen/Level 3 | Landline | Willcox |
| 520-255 | Verizon Wireless | Wireless | Sierravist |
| 520-256 | T-Mobile | Wireless | Tucson |
| 520-257 | T-Mobile | Wireless | Tucson |
| 520-258 | CenturyLink | Landline | Tucson |
| 520-259 | North County Communications Corporation | Landline | Tucson |
| 520-260 | Verizon Wireless | Wireless | Tucson |
| 520-261 | Bandwidth.com | Landline | Tucson |
| 520-262 | Verizon Wireless | Wireless | Tucson |
| 520-263 | Comcast | Landline | Sierravist |
| 520-264 | Verizon Wireless | Wireless | Nogales |
| 520-265 | T-Mobile | Wireless | Benson |
| 520-266 | T-Mobile | Wireless | Sierravist |
| 520-267 | North County Communications Corporation | Landline | Sierravist |
| 520-268 | Verizon Wireless | Wireless | Tucson |
| 520-269 | Verizon Wireless | Wireless | Tucson |
| 520-270 | T-Mobile | Wireless | Tucson |
| 520-271 | T-Mobile | Wireless | Tucson |
| 520-272 | AT&T Mobility | Wireless | Tucson |
| 520-273 | AT&T Mobility | Wireless | Tucson |
| 520-274 | T-Mobile | Wireless | Tucson |
| 520-275 | AT&T Mobility | Wireless | Tucson |
| 520-276 | Bandwidth.com | Landline | Tucson |
| 520-277 | Onvoy | Landline | Whitlow |
| 520-278 | Metro by T-Mobile | Wireless | Tucson |
| 520-279 | Verizon Wireless | Wireless | Tucson |
| 520-280 | T-Mobile | Wireless | Casagrande |
| 520-281 | CenturyLink | Landline | Nogales |
| 520-282 | Verizon Wireless | Wireless | Tucson |
| 520-283 | T-Mobile | Wireless | Tucson |
| 520-284 | MCI/Verizon | Wireless | Tucson |
| 520-285 | CenturyLink | Landline | Nogales |
| 520-286 | T-Mobile | Wireless | Tucson |
| 520-287 | CenturyLink | Landline | Nogales |
| 520-288 | AT&T Mobility | Wireless | Tucson |
| 520-289 | Verizon Wireless | Wireless | Tucson |
| 520-290 | CenturyLink | Landline | Tucson |
| 520-291 | CenturyLink | Landline | Tucson |
| 520-292 | CenturyLink | Landline | Tucson |
| 520-293 | CenturyLink | Landline | Tucson |
| 520-294 | CenturyLink | Landline | Tucson |
| 520-295 | CenturyLink | Landline | Tucson |
| 520-296 | CenturyLink | Landline | Tucson |
| 520-297 | CenturyLink | Landline | Tucson |
| 520-298 | CenturyLink | Landline | Tucson |
| 520-299 | CenturyLink | Landline | Tucson |
| 520-300 | Verizon Wireless | Wireless | Tucson |
| 520-301 | AT&T Mobility | Wireless | Tucson |
| 520-302 | AT&T Mobility | Wireless | Tucson |
| 520-303 | Onvoy | Landline | Tucson |
| 520-304 | AT&T Mobility | Wireless | Tucson |
| 520-305 | Verizon Wireless | Wireless | Tucson |
| 520-306 | Verizon Wireless | Wireless | Tucson |
| 520-307 | Verizon Wireless | Wireless | Tucson |
| 520-308 | AT&T Mobility | Wireless | Tucson |
| 520-309 | AT&T Mobility | Wireless | Tucson |
| 520-310 | Verizon Wireless | Wireless | Tucson |
| 520-311 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 520-312 | AT&T Mobility | Wireless | Tucson |
| 520-313 | T-Mobile | Wireless | Nogales |
| 520-314 | Lumen/Level 3 | Landline | Tucson |
| 520-315 | Gila River Telecomm | Landline | Casablanca |
| 520-316 | CenturyLink | Landline | Casagrande |
| 520-317 | Onvoy | Landline | Hayden |
| 520-318 | CenturyLink | Landline | Tucson |
| 520-319 | CenturyLink | Landline | Tucson |
| 520-320 | CenturyLink | Landline | Tucson |
| 520-321 | CenturyLink | Landline | Tucson |
| 520-322 | CenturyLink | Landline | Tucson |
| 520-323 | CenturyLink | Landline | Tucson |
| 520-324 | CenturyLink | Landline | Tucson |
| 520-325 | CenturyLink | Landline | Tucson |
| 520-326 | CenturyLink | Landline | Tucson |
| 520-327 | CenturyLink | Landline | Tucson |
| 520-328 | CenturyLink | Landline | Tucson |
| 520-329 | Teleport Communications America | Landline | Tucson |
| 520-330 | Verizon Wireless | Wireless | Tucson |
| 520-331 | T-Mobile | Wireless | Tucson |
| 520-332 | T-Mobile | Wireless | Tucson |
| 520-333 | MCI/Verizon | Wireless | Tucson |
| 520-334 | Verizon Wireless | Wireless | Tucson |
| 520-335 | Comcast | Landline | Sierravist |
| 520-336 | AT&T Mobility | Wireless | Tucson |
| 520-337 | Lumen/Level 3 | Landline | Willcox |
| 520-338 | Onvoy | Landline | Tucson |
| 520-339 | AT&T Mobility | Wireless | Tucson |
| 520-340 | Verizon Wireless | Wireless | Casagrande |
| 520-341 | Telnyx | Landline | Nogales |
| 520-342 | Onvoy | Landline | Tucson |
| 520-343 | Verizon Wireless | Wireless | Tucson |
| 520-344 | AT&T Mobility | Wireless | Tucson |
| 520-345 | Verizon Wireless | Wireless | Tucson |
| 520-346 | Peerless Network Of Arizona | Landline | Bisbee |
| 520-347 | Telnyx | Landline | Tucson |
| 520-348 | CenturyLink | Landline | Willcox |
| 520-349 | Verizon Wireless | Wireless | Tucson |
| 520-350 | Gila Local Exchange Carrier | Landline | Casagrande |
| 520-351 | Lumen/Level 3 | Landline | Tucson |
| 520-352 | Electric Lightwave | Landline | Tucson |
| 520-353 | Onvoy | Landline | Bisbee |
| 520-354 | Verizon Wireless | Wireless | Tucson |
| 520-355 | Bandwidth.com | Landline | Tucson |
| 520-356 | CenturyLink | Landline | Hayden |
| 520-357 | CenturyLink | Landline | Hayden |
| 520-358 | AT&T Mobility | Wireless | Tucson |
| 520-359 | Metro by T-Mobile | Wireless | Tucson |
| 520-360 | AT&T Mobility | Wireless | Tucson |
| 520-361 | Tohono O'Odham Utility Authority | Landline | Santa Rosa |
| 520-362 | Tohono O'Odham Utility Authority | Landline | W Sansimon |
| 520-363 | CenturyLink | Landline | Hayden |
| 520-364 | CenturyLink | Landline | Douglas |
| 520-365 | T-Mobile | Wireless | Tucson |
| 520-366 | CenturyLink | Landline | Bisbee |
| 520-367 | Spectrum | Landline | Tucson |
| 520-368 | CenturyLink | Landline | Douglas |
| 520-369 | Lumen/Level 3 | Landline | Tucson |
| 520-370 | T-Mobile | Wireless | Tucson |
| 520-371 | Metro by T-Mobile | Wireless | Casagrande |
| 520-372 | Comcast | Landline | Tucson |
| 520-373 | T-Mobile | Wireless | Tucson |
| 520-374 | CenturyLink | Landline | Casagrande |
| 520-375 | CenturyLink | Landline | Nogales |
| 520-376 | Metro by T-Mobile | Wireless | Sierravist |
| 520-377 | CenturyLink | Landline | Nogales |
| 520-378 | CenturyLink | Landline | Sierravist |
| 520-379 | Onvoy | Landline | Douglas |
| 520-380 | T-Mobile | Wireless | Casagrande |
| 520-381 | Electric Lightwave | Landline | Casagrande |
| 520-382 | Lumen/Level 3 | Landline | Tucson |
| 520-383 | Tohono O'Odham Utility Authority | Landline | Sells |
| 520-384 | CenturyLink | Landline | Willcox |
| 520-385 | CenturyLink | Landline | San Manuel |
| 520-386 | AT&T Mobility | Wireless | Benson |
| 520-387 | Table Top Telephone Company | Landline | Ajo |
| 520-388 | CenturyLink | Landline | Tucson |
| 520-389 | AT&T Mobility | Wireless | Tucson |
| 520-390 | T-Mobile | Wireless | Tucson |
| 520-391 | Electric Lightwave | Landline | Superior |
| 520-392 | AT&T Mobility | Wireless | Tucson |
| 520-393 | CenturyLink | Landline | Tucson |
| 520-394 | CenturyLink | Landline | Nogales |
| 520-395 | Comcast | Landline | Tucson |
| 520-396 | Verizon Wireless | Wireless | Tucson |
| 520-397 | CenturyLink | Landline | Nogales |
| 520-398 | CenturyLink | Landline | Tucson |
| 520-399 | CenturyLink | Landline | Tucson |
| 520-400 | Verizon Wireless | Wireless | Tucson |
| 520-401 | T-Mobile | Wireless | Tucson |
| 520-402 | T-Mobile | Wireless | Benson |
| 520-403 | Verizon Wireless | Wireless | Tucson |
| 520-404 | Verizon Wireless | Wireless | Tucson |
| 520-405 | Verizon Wireless | Wireless | Tucson |
| 520-406 | AT&T Mobility | Wireless | Tucson |
| 520-407 | CenturyLink | Landline | Tucson |
| 520-408 | CenturyLink | Landline | Tucson |
| 520-409 | AT&T Mobility | Wireless | Tucson |
| 520-410 | CenturyLink | Landline | Tucson |
| 520-411 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 520-412 | Peerless Network Of Arizona | Landline | Tombstone |
| 520-413 | Lumen/Level 3 | Landline | Casagrande |
| 520-414 | Lumen/Level 3 | Landline | Casagrande |
| 520-415 | Mcc Telephony | Landline | Nogales |
| 520-416 | Exiant Communications | Landline | Tucson |
| 520-417 | CenturyLink | Landline | Sierravist |
| 520-418 | Gila River Telecomm | Landline | Stotonic |
| 520-419 | Verizon Wireless | Wireless | Tucson |
| 520-420 | Hd Carrier | Landline | Tucson |
| 520-421 | CenturyLink | Landline | Casagrande |
| 520-422 | AT&T | Landline | Bisbee |
| 520-423 | CenturyLink | Landline | Casagrande |
| 520-424 | CenturyLink | Landline | Casagrande |
| 520-425 | Verizon Wireless | Wireless | Tucson |
| 520-426 | CenturyLink | Landline | Casagrande |
| 520-427 | T-Mobile | Wireless | Tucson |
| 520-428 | AT&T Mobility | Wireless | Tucson |
| 520-429 | Verizon Wireless | Wireless | Tucson |
| 520-430 | Gila River Telecomm | Landline | Marcopavlg |
| 520-431 | AT&T Mobility | Wireless | Casagrande |
| 520-432 | CenturyLink | Landline | Bisbee |
| 520-433 | Lumen/Level 3 | Landline | Tucson |
| 520-434 | CenturyLink | Landline | Tucson |
| 520-435 | T-Mobile | Wireless | Willcox |
| 520-436 | Onvoy | Landline | Hayden |
| 520-437 | Xo Arizona | Landline | Tucson |
| 520-438 | Onvoy | Landline | Whitlow |
| 520-439 | CenturyLink | Landline | Sierravist |
| 520-440 | T-Mobile | Wireless | Tucson |
| 520-441 | AT&T Mobility | Wireless | Tucson |
| 520-442 | Bandwidth.com | Landline | Benson |
| 520-443 | T-Mobile | Wireless | Tucson |
| 520-444 | Verizon Wireless | Wireless | Tucson |
| 520-445 | AT&T Mobility | Wireless | Tucson |
| 520-446 | Usa Mobility Wireless | Wireless | Tucson |
| 520-447 | Onvoy | Landline | Tucson |
| 520-448 | Peerless Network Of Arizona | Landline | Tucson |
| 520-449 | Verizon Wireless | Wireless | Tucson |
| 520-450 | T-Mobile | Wireless | Casagrande |
| 520-451 | Verizon Wireless | Wireless | Tucson |
| 520-452 | CenturyLink | Landline | Sierravist |
| 520-453 | Verizon Wireless | Wireless | Tombstone |
| 520-454 | CenturyLink | Landline | Sierravist |
| 520-455 | CenturyLink | Landline | Nogales |
| 520-456 | CenturyLink | Landline | Sierravist |
| 520-457 | CenturyLink | Landline | Tombstone |
| 520-458 | CenturyLink | Landline | Sierravist |
| 520-459 | CenturyLink | Landline | Sierravist |
| 520-460 | T-Mobile | Wireless | Tucson |
| 520-461 | Electric Lightwave | Landline | Tucson |
| 520-462 | Onvoy | Landline | Tucson |
| 520-463 | CenturyLink | Landline | Whitlow |
| 520-464 | CenturyLink | Landline | Casagrande |
| 520-465 | AT&T Mobility | Wireless | Tucson |
| 520-466 | CenturyLink | Landline | Casagrande |
| 520-467 | Onvoy | Landline | Tucson |
| 520-468 | Onvoy | Landline | Tucson |
| 520-469 | CenturyLink | Landline | Tucson |
| 520-470 | T-Mobile | Wireless | Nogales |
| 520-471 | Verizon Wireless | Wireless | Tucson |
| 520-472 | CenturyLink | Landline | Casagrande |
| 520-473 | T-Mobile | Wireless | Sierravist |
| 520-474 | T-Mobile | Wireless | Tucson |
| 520-475 | Csc Wireless | Wireless | Tucson |
| 520-476 | Nuso | Landline | Tucson |
| 520-477 | MCI/Verizon | Wireless | Tucson |
| 520-478 | Teleport Communications America | Landline | Ajo |
| 520-479 | Commnet Wireless | Wireless | Tucson |
| 520-481 | T-Mobile | Wireless | Tucson |
| 520-482 | AT&T Mobility | Wireless | Tucson |
| 520-483 | Verizon Wireless | Wireless | Casagrande |
| 520-484 | Nuso | Landline | Tucson |
| 520-485 | Bandwidth.com | Landline | Tucson |
| 520-486 | AT&T Mobility | Wireless | Tucson |
| 520-487 | CenturyLink | Landline | San Manuel |
| 520-488 | Verizon Wireless | Wireless | Tucson |
| 520-489 | CenturyLink | Landline | Tucson |
| 520-490 | Verizon Wireless | Wireless | Tucson |
| 520-491 | T-Mobile | Wireless | Flagstaff |
| 520-492 | Comcast | Landline | Tucson |
| 520-493 | Firstdigital Telecom | Landline | Tucson |
| 520-494 | CenturyLink | Landline | Casagrande |
| 520-495 | Lumen/Level 3 | Landline | Tucson |
| 520-496 | Verizon Wireless | Wireless | Tucson |
| 520-497 | Bandwidth.com | Landline | Tucson |
| 520-498 | CenturyLink | Landline | Tucson |
| 520-499 | T-Mobile | Wireless | Tucson |
| 520-500 | Onvoy | Landline | Tucson |
| 520-501 | Twilio | Landline | Tucson |
| 520-502 | Onvoy | Landline | Sasabe |
| 520-503 | Onvoy | Landline | Willcox |
| 520-504 | T-Mobile | Wireless | Sierravist |
| 520-505 | Electric Lightwave | Landline | Tucson |
| 520-506 | Onvoy | Landline | Tombstone |
| 520-507 | Verizon Wireless | Wireless | Willcox |
| 520-508 | Verizon Wireless | Wireless | Sierravist |
| 520-509 | Lumen/Level 3 | Landline | Casagrande |
| 520-510 | AT&T Mobility | Wireless | Casagrande |
| 520-511 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 520-512 | CenturyLink | Landline | Tucson |
| 520-513 | CenturyLink | Landline | Tucson |
| 520-514 | CenturyLink | Landline | Tucson |
| 520-515 | CenturyLink | Landline | Sierravist |
| 520-516 | CenturyLink | Landline | Tucson |
| 520-517 | Verizon Wireless | Wireless | Sacaton |
| 520-518 | AT&T Mobility | Wireless | Casagrande |
| 520-519 | CenturyLink | Landline | Tucson |
| 520-520 | Onvoy | Landline | Nogales |
| 520-521 | Hd Carrier | Landline | San Manuel |
| 520-522 | Fractel | Landline | Casablanca |
| 520-523 | Onvoy | Landline | Sierravist |
| 520-524 | Onvoy | Landline | Tucson |
| 520-525 | Onvoy | Landline | Bisbee |
| 520-526 | Commio | Landline | Tucson |
| 520-527 | Onvoy | Landline | Benson |
| 520-528 | Verizon Wireless | Wireless | Tucson |
| 520-529 | CenturyLink | Landline | Tucson |
| 520-530 | Onvoy | Landline | Tucson |
| 520-531 | CenturyLink | Landline | Tucson |
| 520-532 | Onvoy | Landline | Casagrande |
| 520-533 | CenturyLink | Landline | Sierravist |
| 520-534 | T-Mobile | Wireless | Tucson |
| 520-535 | T-Mobile | Wireless | Tucson |
| 520-536 | Onvoy | Landline | Douglas |
| 520-537 | Ip Horizon | Landline | Tucson |
| 520-538 | CenturyLink | Landline | Sierravist |
| 520-539 | Verizon Wireless | Wireless | Tucson |
| 520-540 | Bandwidth.com | Landline | Tucson |
| 520-541 | Verizon Wireless | Wireless | Willcox |
| 520-542 | Lumen/Level 3 | Landline | Tucson |
| 520-543 | T-Mobile | Wireless | Tucson |
| 520-544 | CenturyLink | Landline | Tucson |
| 520-545 | Lumen/Level 3 | Landline | Tucson |
| 520-546 | CenturyLink | Landline | Tucson |
| 520-547 | Lumen/Level 3 | Landline | Tucson |
| 520-548 | AT&T Mobility | Wireless | Tucson |
| 520-549 | Verizon Wireless | Wireless | Tucson |
| 520-550 | Gila River Telecomm | Landline | Komatke |
| 520-551 | AT&T Mobility | Wireless | Tucson |
| 520-552 | Onvoy | Landline | Bisbee |
| 520-553 | T-Mobile | Wireless | Casagrande |
| 520-554 | AT&T Mobility | Wireless | Tucson |
| 520-555 | Multiple Ocn Listing | Landline | Dir Asst |
| 520-556 | T-Mobile | Wireless | Sierravist |
| 520-557 | Commio | Landline | Casagrande |
| 520-558 | Valley Tel Coop | Landline | Portal |
| 520-559 | Verizon Wireless | Wireless | Sierravist |
| 520-560 | AT&T Mobility | Wireless | Casagrande |
| 520-561 | Verizon Wireless | Wireless | Tucson |
| 520-562 | Gila River Telecomm | Landline | Sacaton |
| 520-563 | Ip Horizon | Landline | Benson |
| 520-564 | Ip Horizon | Landline | Douglas |
| 520-565 | AT&T Mobility | Wireless | Tucson |
| 520-566 | CenturyLink | Landline | Tucson |
| 520-567 | Ip Horizon | Landline | Hayden |
| 520-568 | CenturyLink | Landline | Casagrande |
| 520-569 | Ip Horizon | Landline | San Manuel |
| 520-570 | CenturyLink | Landline | Tucson |
| 520-571 | CenturyLink | Landline | Tucson |
| 520-572 | CenturyLink | Landline | Tucson |
| 520-573 | CenturyLink | Landline | Tucson |
| 520-574 | CenturyLink | Landline | Tucson |
| 520-575 | CenturyLink | Landline | Tucson |
| 520-576 | CenturyLink | Landline | Tucson |
| 520-577 | CenturyLink | Landline | Tucson |
| 520-578 | CenturyLink | Landline | Tucson |
| 520-579 | CenturyLink | Landline | Tucson |
| 520-580 | Spectrum | Landline | Superior |
| 520-581 | Ip Horizon | Landline | Tombstone |
| 520-582 | Lumen/Level 3 | Landline | Casagrande |
| 520-583 | Ip Horizon | Landline | Whitlow |
| 520-584 | CenturyLink | Landline | Tucson |
| 520-585 | Metro by T-Mobile | Wireless | Tucson |
| 520-586 | CenturyLink | Landline | Benson |
| 520-587 | AT&T Mobility | Wireless | Portal |
| 520-588 | Fractel | Landline | Cascabel |
| 520-589 | Lumen/Level 3 | Landline | Tucson |
| 520-590 | Verizon Wireless | Wireless | Bisbee |
| 520-591 | Verizon Wireless | Wireless | Tucson |
| 520-592 | Telnyx | Landline | Nogales |
| 520-593 | Onvoy | Landline | Hayden |
| 520-594 | Wavenation | Landline | Tucson |
| 520-595 | CenturyLink | Landline | Benson |
| 520-596 | T-Mobile | Wireless | Tucson |
| 520-597 | Onvoy | Landline | Superior |
| 520-598 | Metro by T-Mobile | Wireless | Casagrande |
| 520-599 | AT&T Mobility | Wireless | Tucson |
| 520-600 | Onvoy | Landline | Tucson |
| 520-601 | Verizon Wireless | Wireless | Sells |
| 520-602 | Spectrum | Landline | Tucson |
| 520-603 | Verizon Wireless | Wireless | Tucson |
| 520-604 | Verizon Wireless | Wireless | Nogales |
| 520-605 | Bandwidth.com | Landline | Tucson |
| 520-606 | Metro by T-Mobile | Wireless | Tucson |
| 520-607 | AT&T Mobility | Wireless | Casagrande |
| 520-608 | Onvoy | Landline | San Manuel |
| 520-609 | Verizon Wireless | Wireless | Tucson |
| 520-610 | Verizon Wireless | Wireless | Sacaton |
| 520-611 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 520-612 | Bandwidth.com | Landline | Tucson |
| 520-613 | AT&T Mobility | Wireless | Tucson |
| 520-614 | Onvoy | Landline | Tucson |
| 520-615 | CenturyLink | Landline | Tucson |
| 520-616 | CenturyLink | Landline | Tucson |
| 520-617 | CenturyLink | Landline | Tucson |
| 520-618 | Lumen/Level 3 | Landline | Tucson |
| 520-619 | T-Mobile | Wireless | Nogales |
| 520-620 | CenturyLink | Landline | Tucson |
| 520-621 | CenturyLink | Landline | Tucson |
| 520-622 | CenturyLink | Landline | Tucson |
| 520-623 | CenturyLink | Landline | Tucson |
| 520-624 | CenturyLink | Landline | Tucson |
| 520-625 | CenturyLink | Landline | Tucson |
| 520-626 | CenturyLink | Landline | Tucson |
| 520-627 | Verizon Wireless | Wireless | Tucson |
| 520-628 | CenturyLink | Landline | Tucson |
| 520-629 | CenturyLink | Landline | Tucson |
| 520-630 | Onvoy | Landline | Willcox |
| 520-631 | T-Mobile | Wireless | Tucson |
| 520-632 | Verizon Wireless | Wireless | Casagrande |
| 520-633 | Verizon Wireless | Wireless | Tucson |
| 520-634 | T-Mobile | Wireless | Casagrande |
| 520-635 | T-Mobile | Wireless | Casagrande |
| 520-636 | Peerless Network Of Arizona | Landline | San Manuel |
| 520-637 | T-Mobile | Wireless | Casagrande |
| 520-638 | CenturyLink | Landline | Tucson |
| 520-639 | CenturyLink | Landline | Tucson |
| 520-640 | Lumen/Level 3 | Landline | Tucson |
| 520-641 | Ton80 Communications | Landline | Benson |
| 520-642 | Valley Tel Coop | Landline | Elfrida |
| 520-643 | Verizon Wireless | Wireless | Willcox |
| 520-644 | Fractel | Landline | Komatke |
| 520-645 | Verizon Wireless | Wireless | Douglas |
| 520-646 | Ton80 Communications | Landline | Nogales |
| 520-647 | CenturyLink | Landline | Tucson |
| 520-648 | CenturyLink | Landline | Tucson |
| 520-649 | Verizon Wireless | Wireless | Tucson |
| 520-650 | Onvoy | Landline | Whitlow |
| 520-651 | Verizon Wireless | Wireless | Tucson |
| 520-652 | CenturyLink | Landline | Whitlow |
| 520-653 | Bandwidth.com | Landline | Tucson |
| 520-654 | Commio | Landline | Sierravist |
| 520-655 | Fractel | Landline | Superior |
| 520-656 | Verizon Wireless | Wireless | Willcox |
| 520-657 | Bandwidth.com | Landline | Hayden |
| 520-658 | T-Mobile | Wireless | Tucson |
| 520-659 | Nuso | Landline | Nogales |
| 520-660 | T-Mobile | Wireless | Casagrande |
| 520-661 | T-Mobile | Wireless | Tucson |
| 520-662 | CenturyLink | Landline | Tucson |
| 520-663 | CenturyLink | Landline | Tucson |
| 520-664 | CenturyLink | Landline | Tucson |
| 520-665 | CenturyLink | Landline | Tucson |
| 520-666 | Onvoy | Landline | Casagrande |
| 520-667 | Nuso | Landline | Tucson |
| 520-668 | Verizon Wireless | Wireless | Tucson |
| 520-669 | MCI/Verizon | Wireless | Sierravist |
| 520-670 | CenturyLink | Landline | Tucson |
| 520-671 | MCI/Verizon | Wireless | Sierravist |
| 520-672 | MCI/Verizon | Wireless | Sierravist |
| 520-673 | MCI/Verizon | Wireless | Sierravist |
| 520-674 | MCI/Verizon | Wireless | Sierravist |
| 520-675 | Boost Subscriberco | Wireless | Tucson |
| 520-676 | Verizon Wireless | Wireless | Willcox |
| 520-677 | Boost Subscriberco | Wireless | Casagrande |
| 520-678 | Verizon Wireless | Wireless | Sierravist |
| 520-679 | Verizon Wireless | Wireless | Tombstone |
| 520-680 | Onvoy | Landline | Bisbee |
| 520-681 | Lumen/Level 3 | Landline | Nogales |
| 520-682 | CenturyLink | Landline | Tucson |
| 520-683 | Onvoy | Landline | Casagrande |
| 520-684 | MCI/Verizon | Wireless | Sierravist |
| 520-685 | Comcast | Landline | Sierravist |
| 520-686 | Verizon Wireless | Wireless | Benson |
| 520-687 | MCI/Verizon | Wireless | Sierravist |
| 520-688 | Fractel | Landline | Casagrande |
| 520-689 | CenturyLink | Landline | Superior |
| 520-690 | CenturyLink | Landline | Tucson |
| 520-691 | MCI/Verizon | Wireless | Sierravist |
| 520-692 | MCI/Verizon | Wireless | Sierravist |
| 520-693 | MCI/Verizon | Wireless | Sierravist |
| 520-694 | Lumen/Level 3 | Landline | Tucson |
| 520-695 | CenturyLink | Landline | Tucson |
| 520-696 | CenturyLink | Landline | Tucson |
| 520-697 | Verizon Wireless | Wireless | Tucson |
| 520-698 | Verizon Wireless | Wireless | Willcox |
| 520-699 | Fractel | Landline | Sierravist |
| 520-700 | Landline | ||
| 520-701 | T-Mobile | Wireless | Casagrande |
| 520-702 | Onvoy | Landline | Douglas |
| 520-703 | Callworks Corporation | Landline | Tucson |
| 520-704 | AT&T Mobility | Wireless | Tucson |
| 520-705 | Verizon Wireless | Wireless | Casagrande |
| 520-706 | MCI/Verizon | Wireless | Sierravist |
| 520-707 | MCI/Verizon | Wireless | Sierravist |
| 520-708 | MCI/Verizon | Wireless | Sierravist |
| 520-709 | Verizon Wireless | Wireless | Casagrande |
| 520-710 | Spectrum | Landline | Tucson |
| 520-711 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 520-712 | CenturyLink | Landline | Tucson |
| 520-713 | MCI/Verizon | Wireless | Sierravist |
| 520-714 | MCI/Verizon | Wireless | Sierravist |
| 520-715 | MCI/Verizon | Wireless | Sierravist |
| 520-716 | MCI/Verizon | Wireless | Sierravist |
| 520-717 | MCI/Verizon | Wireless | Sierravist |
| 520-718 | MCI/Verizon | Wireless | Sierravist |
| 520-719 | Bandwidth.com | Landline | Tucson |
| 520-720 | CenturyLink | Landline | Benson |
| 520-721 | CenturyLink | Landline | Tucson |
| 520-722 | CenturyLink | Landline | Tucson |
| 520-723 | CenturyLink | Landline | Casagrande |
| 520-724 | CenturyLink | Landline | Tucson |
| 520-725 | MCI/Verizon | Wireless | Sierravist |
| 520-727 | AT&T Mobility | Wireless | Douglas |
| 520-728 | T-Mobile | Wireless | Casagrande |
| 520-729 | Verizon Wireless | Wireless | Tucson |
| 520-730 | Verizon Wireless | Wireless | Tucson |
| 520-731 | CenturyLink | Landline | Tucson |
| 520-732 | Verizon Wireless | Wireless | Sierravist |
| 520-733 | CenturyLink | Landline | Tucson |
| 520-734 | Verizon Wireless | Wireless | Tucson |
| 520-735 | Teleport Communications America | Landline | Sierravist |
| 520-736 | AT&T Mobility | Wireless | Casagrande |
| 520-737 | Allo Communications | Landline | Sierravist |
| 520-738 | Verizon Wireless | Wireless | Tucson |
| 520-739 | Spectrum | Landline | Tucson |
| 520-740 | CenturyLink | Landline | Tucson |
| 520-741 | CenturyLink | Landline | Tucson |
| 520-742 | CenturyLink | Landline | Tucson |
| 520-743 | CenturyLink | Landline | Tucson |
| 520-744 | CenturyLink | Landline | Tucson |
| 520-745 | CenturyLink | Landline | Tucson |
| 520-746 | CenturyLink | Landline | Tucson |
| 520-747 | CenturyLink | Landline | Tucson |
| 520-748 | CenturyLink | Landline | Tucson |
| 520-749 | CenturyLink | Landline | Tucson |
| 520-750 | CenturyLink | Landline | Tucson |
| 520-751 | CenturyLink | Landline | Tucson |
| 520-752 | Verizon Wireless | Wireless | Casagrande |
| 520-753 | Verizon Wireless | Wireless | Tucson |
| 520-754 | Verizon Wireless | Wireless | Sacaton |
| 520-755 | Fractel | Landline | Lone Butte |
| 520-756 | AT&T Mobility | Wireless | Tucson |
| 520-757 | T-Mobile | Wireless | Casagrande |
| 520-758 | Fractel | Landline | Blackwater |
| 520-759 | Verizon Wireless | Wireless | Casagrande |
| 520-760 | CenturyLink | Landline | Tucson |
| 520-761 | CenturyLink | Landline | Nogales |
| 520-762 | CenturyLink | Landline | Tucson |
| 520-763 | T-Mobile | Wireless | Casagrande |
| 520-764 | T-Mobile | Wireless | Casagrande |
| 520-765 | T-Mobile | Wireless | Casagrande |
| 520-766 | Valley Connections | Landline | Willcox |
| 520-770 | CenturyLink | Landline | Tucson |
| 520-771 | Vonage | Landline | Tucson |
| 520-772 | Ton80 Communications | Landline | Superior |
| 520-775 | Bandwidth.com | Landline | Tucson |
| 520-777 | Lumen/Level 3 | Landline | Tucson |
| 520-779 | Bandwidth.com | Landline | Willcox |
| 520-780 | Verizon Wireless | Wireless | Tucson |
| 520-783 | Metro by T-Mobile | Wireless | Tucson |
| 520-784 | CenturyLink | Landline | Tucson |
| 520-785 | Allo Communications | Landline | Tucson |
| 520-788 | T-Mobile | Wireless | Casagrande |
| 520-789 | T-Mobile | Wireless | Tucson |
| 520-790 | CenturyLink | Landline | Tucson |
| 520-791 | CenturyLink | Landline | Tucson |
| 520-792 | CenturyLink | Landline | Tucson |
| 520-793 | CenturyLink | Landline | Tucson |
| 520-794 | CenturyLink | Landline | Tucson |
| 520-795 | CenturyLink | Landline | Tucson |
| 520-796 | Gila River Telecomm | Landline | Lone Butte |
| 520-797 | CenturyLink | Landline | Tucson |
| 520-798 | CenturyLink | Landline | Tucson |
| 520-799 | CenturyLink | Landline | Tucson |
| 520-800 | Onvoy | Landline | Tucson |
| 520-801 | Wide Voice | Landline | Tucson |
| 520-802 | Leap Telecom | Landline | Tucson |
| 520-803 | CenturyLink | Landline | Sierravist |
| 520-805 | CenturyLink | Landline | Douglas |
| 520-806 | CenturyLink | Landline | Tucson |
| 520-807 | CenturyLink | Landline | Tucson |
| 520-808 | AT&T Mobility | Wireless | Tucson |
| 520-809 | Intrado Communications | Landline | Tucson |
| 520-811 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 520-812 | Bandwidth.com | Landline | Tucson |
| 520-815 | Bandwidth.com | Landline | Tucson |
| 520-818 | CenturyLink | Landline | Tucson |
| 520-820 | Verizon Wireless | Wireless | Tucson |
| 520-822 | CenturyLink | Landline | Tucson |
| 520-823 | Arizona Tel. Co | Landline | Sasabe |
| 520-824 | Valley Tel Coop | Landline | Sunizona |
| 520-825 | CenturyLink | Landline | Tucson |
| 520-826 | Valley Tel Coop | Landline | Pearce |
| 520-827 | Verizon Wireless | Wireless | Superior |
| 520-829 | Lumen/Level 3 | Landline | Tucson |
| 520-831 | T-Mobile | Wireless | Prescott |
| 520-833 | Verizon Wireless | Wireless | Tucson |
| 520-834 | AT&T Mobility | Wireless | Tucson |
| 520-836 | CenturyLink | Landline | Casagrande |
| 520-837 | Teleport Communications America | Landline | Tucson |
| 520-838 | CenturyLink | Landline | Tucson |
| 520-839 | T-Mobile | Wireless | Nogales |
| 520-840 | Verizon Wireless | Wireless | Casagrande |
| 520-841 | AT&T Mobility | Wireless | Nogales |
| 520-842 | Onvoy | Landline | Nogales |
| 520-843 | Onvoy | Landline | Sierravist |
| 520-844 | Onvoy | Landline | Tucson |
| 520-845 | Valley Tel Coop | Landline | San Simon |
| 520-847 | Valley Tel Coop | Landline | Bowie |
| 520-848 | Metro by T-Mobile | Wireless | Tucson |
| 520-849 | Verizon Wireless | Wireless | Tucson |
| 520-850 | Verizon Wireless | Wireless | Tucson |
| 520-851 | Teleport Communications America | Landline | Sierravist |
| 520-852 | Teleport Communications America | Landline | Sierravist |
| 520-853 | Teleport Communications America | Landline | Sierravist |
| 520-854 | Teleport Communications America | Landline | Sierravist |
| 520-855 | Teleport Communications America | Landline | Sierravist |
| 520-858 | CenturyLink | Landline | Casagrande |
| 520-860 | Verizon Wireless | Wireless | Nogales |
| 520-861 | T-Mobile | Wireless | Tucson |
| 520-866 | CenturyLink | Landline | Casagrande |
| 520-867 | AT&T Mobility | Wireless | Tucson |
| 520-868 | CenturyLink | Landline | Casagrande |
| 520-869 | T-Mobile | Wireless | Tucson |
| 520-870 | T-Mobile | Wireless | Tucson |
| 520-872 | CenturyLink | Landline | Tucson |
| 520-873 | CenturyLink | Landline | Tucson |
| 520-874 | CenturyLink | Landline | Tucson |
| 520-876 | CenturyLink | Landline | Casagrande |
| 520-877 | CenturyLink | Landline | Tucson |
| 520-878 | CenturyLink | Landline | Tucson |
| 520-879 | CenturyLink | Landline | Tucson |
| 520-880 | CenturyLink | Landline | Tucson |
| 520-881 | CenturyLink | Landline | Tucson |
| 520-882 | CenturyLink | Landline | Tucson |
| 520-883 | CenturyLink | Landline | Tucson |
| 520-884 | CenturyLink | Landline | Tucson |
| 520-885 | CenturyLink | Landline | Tucson |
| 520-886 | CenturyLink | Landline | Tucson |
| 520-887 | CenturyLink | Landline | Tucson |
| 520-888 | CenturyLink | Landline | Tucson |
| 520-889 | CenturyLink | Landline | Tucson |
| 520-891 | T-Mobile | Wireless | Tucson |
| 520-895 | Lumen/Level 3 | Landline | Sierravist |
| 520-896 | CenturyLink | Landline | San Manuel |
| 520-898 | Midvale Telephone Exchange | Landline | Silverbell |
| 520-899 | Fractel | Landline | Marcopavlg |
| 520-900 | Onvoy | Landline | Tucson |
| 520-901 | Lumen/Level 3 | Landline | Tucson |
| 520-903 | CenturyLink | Landline | Tucson |
| 520-904 | Verizon Wireless | Wireless | Tucson |
| 520-906 | AT&T Mobility | Wireless | Tucson |
| 520-907 | AT&T Mobility | Wireless | Tucson |
| 520-908 | CenturyLink | Landline | Tucson |
| 520-909 | Verizon Wireless | Wireless | Tucson |
| 520-910 | Onvoy | Landline | Tucson |
| 520-911 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 520-912 | AT&T Mobility | Wireless | Tucson |
| 520-917 | MCI/Verizon | Wireless | Tucson |
| 520-918 | MCI/Verizon | Wireless | Tucson |
| 520-921 | T-Mobile | Wireless | Sedona |
| 520-924 | Electric Lightwave | Landline | Nogales |
| 520-929 | Ton80 Communications | Landline | Willcox |
| 520-934 | Ton80 Communications | Landline | Tucson |
| 520-940 | T-Mobile | Wireless | Tucson |
| 520-941 | Teleport Communications America | Landline | Sierravist |
| 520-942 | Teleport Communications America | Landline | Sierravist |
| 520-943 | Teleport Communications America | Landline | Sierravist |
| 520-944 | Teleport Communications America | Landline | Sierravist |
| 520-945 | Teleport Communications America | Landline | Sierravist |
| 520-949 | Ton80 Communications | Landline | Santa Rosa |
| 520-950 | Landline | ||
| 520-954 | Verizon Wireless | Wireless | Tucson |
| 520-955 | Verizon Wireless | Wireless | Tucson |
| 520-958 | Landline | ||
| 520-959 | Landline | ||
| 520-965 | T-Mobile | Wireless | Tucson |
| 520-966 | Fractel | Landline | Silverbell |
| 520-971 | T-Mobile | Wireless | Tucson |
| 520-975 | Verizon Wireless | Wireless | Tucson |
| 520-976 | Landline | ||
| 520-977 | T-Mobile | Wireless | Tucson |
| 520-979 | T-Mobile | Wireless | Tucson |
| 520-980 | Metro by T-Mobile | Wireless | Nogales |
| 520-981 | T-Mobile | Wireless | Tucson |
| 520-982 | T-Mobile | Wireless | Tucson |
| 520-987 | Verizon Wireless | Wireless | Nogales |
| 520-988 | Verizon Wireless | Wireless | Nogales |
| 520-989 | Electric Lightwave | Landline | Tucson |
| 520-990 | T-Mobile | Wireless | Tucson |
| 520-991 | T-Mobile | Wireless | Tucson |
| 520-993 | Verizon Wireless | Wireless | Sells |
| 520-994 | Ton80 Communications | Landline | Sasabe |
| 520-999 | Onvoy | Landline | Tucson |
All 5 area codes in Arizona
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.