Who Called Me from Area Code 520?
Quick answerA 520 call usually comes from Tucson or nearby communities, but caller ID can be spoofed, so a local-looking number isn’t proof. If there’s no voicemail, let it go: legitimate callers leave messages.
- No voicemail? Let it go. Real callers leave messages.
- Recognize the pattern? Check the number in the prefix lookup.
- Getting repeats? ActiveArmor® blocks and labels them automatically.
- Same prefix calling again? Compare it against this month’s most-reported 520 prefixes, right on this page.
- Curious who issued a number? Every 520 prefix belongs to a carrier — the registry names it.
Been targeted?Report the call at reportfraud.ftc.gov — reports feed the complaint data that powers spam blocking, including the board on this page. AT&T customers already have ActiveArmor® screening built in.
Most-reported 520 prefixes this month
PrefixReported patternReport volume
(520) 668-XXXXRobocall-heavy
(520) 657-XXXXRobocall-heavy
(520) 652-XXXXRobocall-heavy
(520) 590-XXXXRobocall-heavy
(520) 772-XXXXRobocall-heavy
1149 unwanted-call reports naming 520 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.
Block spam calls in the 520, included with AT&T wireless
AT&T ActiveArmor® is the network-level security that screens the calls this page is about:
- Fraud calls blocked automatically on the network
- Suspected spam labeled before you answer
- Caller ID & custom call blocking in the free app
- Reverse number lookup (available with ActiveArmor Advanced security. Fee required.)
- Identity monitoring & identity theft insurance (available with ActiveArmor Advanced security. Fee required.)
Included with AT&T wireless plans. Requires compatible device/service and download of the AT&T ActiveArmor® app. Other terms & restrictions apply. May not detect all threats and may block wanted calls. Some features require Advanced mobile security ($7/mo.). See terms.
See how ActiveArmor worksIncluded with the free 30-day AT&T Wireless℠ trialTry AT&T Wireless℠ free for 30 daysDownload the AT&T app, activate a trial eSIM in minutes, and run our network side by side with your current service. No credit card, keep your number.
- 100GB of data plus 25GB hotspot
- Unlimited talk & text in the U.S., Canada and Mexico
- Texting from the U.S. to 200+ countries & territories
- Access to the AT&T 5G network
Offer details
Service good for 30 days. Data: Limited to 100GB of data and 25GB of hotspot data. No additional data is available after limit is reached. Video is limited to SD quality. Talk & Text: Includes unlimited talk & text within the U.S. and unlimited text from the U.S. to over 230 countries. Limits: One trial per user. An unlocked, dual eSIM iPhone is required. You’ll receive a trial phone number that belongs to AT&T and is not available to be ported to another carrier or otherwise retained. Trial plan features and details may differ from or be unavailable in other AT&T plans. U.S. only. All terms subject to change at any time.
Is Area Code 520 a Scam?
No. 520 is a legitimate Tucson area code.
It’s carved from the 602 in 1995 and serves Tucson and surrounding communities. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.
The code is realSplit from the 602 in 1995; 694 assigned carrier prefixes serve it today.
Spoofing happens“Neighbor spoofing” fakes local numbers. No voicemail? Let it go.
Screening includedActiveArmor® labels and blocks suspected spam. Included with AT&T wireless plans.
Been targeted? Report it to the FTC at reportfraud.ftc.gov. Reports feed the complaint data that powers spam blocking.
Scam texts from area code 520 numbers
The most common area code 520 text scam is the “wrong number” opener: a friendly message that pretends to know you, then moves the chat to WhatsApp and eventually to an investment pitch. Scripts currently circulating:
- “U at home?” · “Are you busy tomorrow?” · “How are you doing?”
- Delivery-problem and job-offer texts that link out to a login page
Don’t reply. A response marks your number as live. Forward scam texts to 7726 (SPAM), and AT&T ActiveArmor® filters known senders automatically.
How number spoofing works in area code 520
Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 520 number isn’t involved and usually has no idea. That’s why blocking one number rarely stops the calls.
- A call from a number almost identical to yours (same 520 and prefix) is “mirror spoofing.” A missed call from your own number is never worth returning.
- Strangers calling you back saying you called them? Your 520 number is being spoofed. It typically passes within days, and you don’t need a new number. Report it at reportfraud.ftc.gov.
- The caller-ID checkmark: AT&T verifies network calls (STIR/SHAKEN). A verified mark means the displayed number wasn’t faked. No mark doesn’t always mean scam, but treat it with more caution.
Spoofed or not, the rule holds: unexpected caller, no voicemail? Let it go.
520 Area Code Prefix & Carrier Lookup
The three digits after the area code identify the carrier a number was issued to. All 694 assigned 520 prefixes below are real, from the public numbering registry. Type to filter.
This isn’t a reverse phone lookup: no legitimate free service can tell you who owns a specific number. What a 520 prefix does show: the carrier that issued it, whether it’s wireless, landline or VoIP, and the community it belongs to, which is often enough to judge whether a call was worth returning.
694 prefixes · updated monthly
| Prefix | Carrier | Line type |
|---|---|---|
| 520-200 | Allstream (Electric Lightwave) | Landline |
| 520-201 | Allstream (Electric Lightwave) | Landline |
| 520-202 | Lumen (Level 3) | VoIP |
| 520-203 | Verizon Business (MCImetro) | Landline |
| 520-204 | Windstream (Paetec) | Landline |
| 520-205 | Qwest Corporation | Landline |
| 520-206 | Qwest Corporation | Landline |
| 520-207 | Comcast (Xfinity Voice) | VoIP |
| 520-208 | Lumen (Level 3) | VoIP |
| 520-209 | Qwest Corporation | Landline |
| 520-210 | Onvoy (Sinch) | VoIP |
| 520-212 | Midvale Telephone Exchange | Landline |
| 520-213 | T-Mobile | Wireless |
| 520-214 | Onvoy (Sinch) | VoIP |
| 520-215 | Gila River Telecomm | Landline |
| 520-216 | Verizon Wireless | Wireless |
| 520-217 | Qwest Corporation | Landline |
| 520-218 | Qwest Corporation | Landline |
| 520-219 | Qwest Corporation | Landline |
| 520-220 | T-Mobile | Wireless |
| 520-221 | Verizon Wireless | Wireless |
| 520-222 | Qwest Corporation | Landline |
| 520-223 | Lumen (Level 3) | VoIP |
| 520-224 | Allstream (Electric Lightwave) | Landline |
| 520-225 | Qwest Corporation | Landline |
| 520-226 | Lumen (Level 3) | VoIP |
| 520-227 | T-Mobile | Wireless |
| 520-228 | Qwest Corporation | Landline |
| 520-229 | Qwest Corporation | Landline |
| 520-230 | Verizon Wireless | Wireless |
| 520-231 | Bandwidth.com | VoIP |
| 520-232 | Qwest Corporation | Landline |
| 520-233 | Onvoy (Sinch) | VoIP |
| 520-234 | T-Mobile | Wireless |
| 520-235 | Verizon Wireless | Wireless |
| 520-236 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-237 | Verizon Wireless | Wireless |
| 520-238 | T-Mobile | Wireless |
| 520-239 | AT&T (Teleport Communications) | Landline |
| 520-240 | Verizon Wireless | Wireless |
| 520-241 | AT&T Mobility | Wireless |
| 520-242 | Verizon Wireless | Wireless |
| 520-243 | Qwest Corporation | Landline |
| 520-244 | T-Mobile | Wireless |
| 520-245 | T-Mobile | Wireless |
| 520-246 | Lumen (Level 3) | VoIP |
| 520-247 | AT&T Mobility | Wireless |
| 520-248 | T-Mobile | Wireless |
| 520-249 | T-Mobile | Wireless |
| 520-250 | T-Mobile | Wireless |
| 520-251 | T-Mobile | Wireless |
| 520-252 | T-Mobile | Wireless |
| 520-253 | Verizon Wireless | Wireless |
| 520-254 | Lumen (Level 3) | VoIP |
| 520-255 | Verizon Wireless | Wireless |
| 520-256 | T-Mobile | Wireless |
| 520-257 | T-Mobile | Wireless |
| 520-258 | Qwest Corporation | Landline |
| 520-259 | North County Communications Corporation | Landline |
| 520-260 | Verizon Wireless | Wireless |
| 520-261 | Bandwidth.com | VoIP |
| 520-262 | Verizon Wireless | Wireless |
| 520-263 | Comcast (Xfinity Voice) | VoIP |
| 520-264 | Verizon Wireless | Wireless |
| 520-265 | T-Mobile | Wireless |
| 520-266 | T-Mobile | Wireless |
| 520-267 | North County Communications Corporation | Landline |
| 520-268 | Verizon Wireless | Wireless |
| 520-269 | Verizon Wireless | Wireless |
| 520-270 | T-Mobile | Wireless |
| 520-271 | T-Mobile | Wireless |
| 520-272 | AT&T Mobility | Wireless |
| 520-273 | AT&T Mobility | Wireless |
| 520-274 | T-Mobile | Wireless |
| 520-275 | AT&T Mobility | Wireless |
| 520-276 | Bandwidth.com | VoIP |
| 520-277 | Onvoy (Sinch) | VoIP |
| 520-278 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-279 | Verizon Wireless | Wireless |
| 520-280 | T-Mobile | Wireless |
| 520-281 | Qwest Corporation | Landline |
| 520-282 | Verizon Wireless | Wireless |
| 520-283 | T-Mobile | Wireless |
| 520-284 | Verizon Business (MCImetro) | Landline |
| 520-285 | Qwest Corporation | Landline |
| 520-286 | T-Mobile | Wireless |
| 520-287 | Qwest Corporation | Landline |
| 520-288 | AT&T Mobility | Wireless |
| 520-289 | Verizon Wireless | Wireless |
| 520-290 | Qwest Corporation | Landline |
| 520-291 | Qwest Corporation | Landline |
| 520-292 | Qwest Corporation | Landline |
| 520-293 | Qwest Corporation | Landline |
| 520-294 | Qwest Corporation | Landline |
| 520-295 | Qwest Corporation | Landline |
| 520-296 | Qwest Corporation | Landline |
| 520-297 | Qwest Corporation | Landline |
| 520-298 | Qwest Corporation | Landline |
| 520-299 | Qwest Corporation | Landline |
| 520-300 | Verizon Wireless | Wireless |
| 520-301 | AT&T Mobility | Wireless |
| 520-302 | AT&T Mobility | Wireless |
| 520-303 | Onvoy (Sinch) | VoIP |
| 520-304 | AT&T Mobility | Wireless |
| 520-305 | Verizon Wireless | Wireless |
| 520-306 | Verizon Wireless | Wireless |
| 520-307 | Verizon Wireless | Wireless |
| 520-308 | AT&T Mobility | Wireless |
| 520-309 | AT&T Mobility | Wireless |
| 520-310 | Verizon Wireless | Wireless |
| 520-312 | AT&T Mobility | Wireless |
| 520-313 | T-Mobile | Wireless |
| 520-314 | Lumen (Level 3) | VoIP |
| 520-315 | Gila River Telecomm | Landline |
| 520-316 | Qwest Corporation | Landline |
| 520-317 | Onvoy (Sinch) | VoIP |
| 520-318 | Qwest Corporation | Landline |
| 520-319 | Qwest Corporation | Landline |
| 520-320 | Qwest Corporation | Landline |
| 520-321 | Qwest Corporation | Landline |
| 520-322 | Qwest Corporation | Landline |
| 520-323 | Qwest Corporation | Landline |
| 520-324 | Qwest Corporation | Landline |
| 520-325 | Qwest Corporation | Landline |
| 520-326 | Qwest Corporation | Landline |
| 520-327 | Qwest Corporation | Landline |
| 520-328 | Qwest Corporation | Landline |
| 520-329 | AT&T (Teleport Communications) | Landline |
| 520-330 | Verizon Wireless | Wireless |
| 520-331 | T-Mobile | Wireless |
| 520-332 | T-Mobile | Wireless |
| 520-333 | Verizon Business (MCImetro) | Landline |
| 520-334 | Verizon Wireless | Wireless |
| 520-335 | Comcast (Xfinity Voice) | VoIP |
| 520-336 | AT&T Mobility | Wireless |
| 520-337 | Lumen (Level 3) | VoIP |
| 520-338 | Onvoy (Sinch) | VoIP |
| 520-339 | AT&T Mobility | Wireless |
| 520-340 | Verizon Wireless | Wireless |
| 520-341 | Telnyx | Landline |
| 520-342 | Onvoy (Sinch) | VoIP |
| 520-343 | Verizon Wireless | Wireless |
| 520-344 | AT&T Mobility | Wireless |
| 520-345 | Verizon Wireless | Wireless |
| 520-346 | Peerless Network | VoIP |
| 520-347 | Telnyx | Landline |
| 520-348 | Lumen (CenturyLink) | Landline |
| 520-349 | Verizon Wireless | Wireless |
| 520-350 | Gila Local Exchange Carrier | Landline |
| 520-351 | Lumen (Level 3) | VoIP |
| 520-352 | Allstream (Electric Lightwave) | Landline |
| 520-353 | Onvoy (Sinch) | VoIP |
| 520-354 | Verizon Wireless | Wireless |
| 520-355 | Bandwidth.com | VoIP |
| 520-356 | Qwest Corporation | Landline |
| 520-357 | Qwest Corporation | Landline |
| 520-358 | AT&T Mobility | Wireless |
| 520-359 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-360 | AT&T Mobility | Wireless |
| 520-361 | Tohono O'Odham Utility Authority | Landline |
| 520-362 | Tohono O'Odham Utility Authority | Landline |
| 520-363 | Qwest Corporation | Landline |
| 520-364 | Qwest Corporation | Landline |
| 520-365 | T-Mobile | Wireless |
| 520-366 | Qwest Corporation | Landline |
| 520-367 | Onvoy Spectrum (Sinch) | VoIP |
| 520-368 | Qwest Corporation | Landline |
| 520-369 | Lumen (Level 3) | VoIP |
| 520-370 | T-Mobile | Wireless |
| 520-371 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-372 | Comcast (Xfinity Voice) | VoIP |
| 520-373 | T-Mobile | Wireless |
| 520-374 | Qwest Corporation | Landline |
| 520-375 | Qwest Corporation | Landline |
| 520-376 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-377 | Qwest Corporation | Landline |
| 520-378 | Qwest Corporation | Landline |
| 520-379 | Onvoy (Sinch) | VoIP |
| 520-380 | T-Mobile | Wireless |
| 520-381 | Allstream (Electric Lightwave) | Landline |
| 520-382 | Lumen (Level 3) | VoIP |
| 520-383 | Tohono O'Odham Utility Authority | Landline |
| 520-384 | Qwest Corporation | Landline |
| 520-385 | Qwest Corporation | Landline |
| 520-386 | AT&T Mobility | Wireless |
| 520-387 | Table Top Telephone Company | Landline |
| 520-388 | Qwest Corporation | Landline |
| 520-389 | AT&T Mobility | Wireless |
| 520-390 | T-Mobile | Wireless |
| 520-391 | Allstream (Electric Lightwave) | Landline |
| 520-392 | AT&T Mobility | Wireless |
| 520-393 | Qwest Corporation | Landline |
| 520-394 | Qwest Corporation | Landline |
| 520-395 | Comcast (Xfinity Voice) | VoIP |
| 520-396 | Verizon Wireless | Wireless |
| 520-397 | Qwest Corporation | Landline |
| 520-398 | Qwest Corporation | Landline |
| 520-399 | Qwest Corporation | Landline |
| 520-400 | Verizon Wireless | Wireless |
| 520-401 | T-Mobile | Wireless |
| 520-402 | T-Mobile | Wireless |
| 520-403 | Verizon Wireless | Wireless |
| 520-404 | Verizon Wireless | Wireless |
| 520-405 | Verizon Wireless | Wireless |
| 520-406 | AT&T Mobility | Wireless |
| 520-407 | Qwest Corporation | Landline |
| 520-408 | Qwest Corporation | Landline |
| 520-409 | AT&T Mobility | Wireless |
| 520-410 | Qwest Corporation | Landline |
| 520-412 | Peerless Network | VoIP |
| 520-413 | Lumen (Level 3) | VoIP |
| 520-414 | Lumen (Level 3) | VoIP |
| 520-415 | Mcc Telephony | Landline |
| 520-416 | Exiant Communications | Landline |
| 520-417 | Qwest Corporation | Landline |
| 520-418 | Gila River Telecomm | Landline |
| 520-419 | Verizon Wireless | Wireless |
| 520-420 | Hd Carrier | Landline |
| 520-421 | Qwest Corporation | Landline |
| 520-422 | AT&T Local | Landline |
| 520-423 | Qwest Corporation | Landline |
| 520-424 | Qwest Corporation | Landline |
| 520-425 | Verizon Wireless | Wireless |
| 520-426 | Qwest Corporation | Landline |
| 520-427 | T-Mobile | Wireless |
| 520-428 | AT&T Mobility | Wireless |
| 520-429 | Verizon Wireless | Wireless |
| 520-430 | Gila River Telecomm | Landline |
| 520-431 | AT&T Mobility | Wireless |
| 520-432 | Qwest Corporation | Landline |
| 520-433 | Lumen (Level 3) | VoIP |
| 520-434 | Qwest Corporation | Landline |
| 520-435 | T-Mobile | Wireless |
| 520-436 | Onvoy (Sinch) | VoIP |
| 520-437 | Xo Arizona | Landline |
| 520-438 | Onvoy (Sinch) | VoIP |
| 520-439 | Qwest Corporation | Landline |
| 520-440 | T-Mobile | Wireless |
| 520-441 | AT&T Mobility | Wireless |
| 520-442 | Bandwidth.com | VoIP |
| 520-443 | T-Mobile | Wireless |
| 520-444 | Verizon Wireless | Wireless |
| 520-445 | AT&T Mobility | Wireless |
| 520-446 | Spok (paging) | Landline |
| 520-447 | Onvoy (Sinch) | VoIP |
| 520-448 | Peerless Network | VoIP |
| 520-449 | Verizon Wireless | Wireless |
| 520-450 | T-Mobile | Wireless |
| 520-451 | Verizon Wireless | Wireless |
| 520-452 | Qwest Corporation | Landline |
| 520-453 | Verizon Wireless | Wireless |
| 520-454 | Qwest Corporation | Landline |
| 520-455 | Qwest Corporation | Landline |
| 520-456 | Qwest Corporation | Landline |
| 520-457 | Qwest Corporation | Landline |
| 520-458 | Qwest Corporation | Landline |
| 520-459 | Qwest Corporation | Landline |
| 520-460 | T-Mobile | Wireless |
| 520-461 | Allstream (Electric Lightwave) | Landline |
| 520-462 | Onvoy (Sinch) | VoIP |
| 520-463 | Qwest Corporation | Landline |
| 520-464 | Qwest Corporation | Landline |
| 520-465 | AT&T Mobility | Wireless |
| 520-466 | Qwest Corporation | Landline |
| 520-467 | Onvoy (Sinch) | VoIP |
| 520-468 | Onvoy (Sinch) | VoIP |
| 520-469 | Qwest Corporation | Landline |
| 520-470 | T-Mobile | Wireless |
| 520-471 | Verizon Wireless | Wireless |
| 520-472 | Qwest Corporation | Landline |
| 520-473 | T-Mobile | Wireless |
| 520-474 | T-Mobile | Wireless |
| 520-475 | Csc Wireless | Wireless |
| 520-476 | Nuso | Landline |
| 520-477 | Verizon Business (MCImetro) | Landline |
| 520-478 | AT&T (Teleport Communications) | Landline |
| 520-479 | T-Mobile | Wireless |
| 520-481 | T-Mobile | Wireless |
| 520-482 | AT&T Mobility | Wireless |
| 520-483 | Verizon Wireless | Wireless |
| 520-484 | Nuso | Landline |
| 520-485 | Bandwidth.com | VoIP |
| 520-486 | AT&T Mobility | Wireless |
| 520-487 | Qwest Corporation | Landline |
| 520-488 | Verizon Wireless | Wireless |
| 520-489 | Qwest Corporation | Landline |
| 520-490 | Verizon Wireless | Wireless |
| 520-491 | T-Mobile | Wireless |
| 520-492 | Comcast (Xfinity Voice) | VoIP |
| 520-493 | Firstdigital Telecom | Landline |
| 520-494 | Qwest Corporation | Landline |
| 520-495 | Lumen (Level 3) | VoIP |
| 520-496 | Verizon Wireless | Wireless |
| 520-497 | Bandwidth.com | VoIP |
| 520-498 | Qwest Corporation | Landline |
| 520-499 | T-Mobile | Wireless |
| 520-500 | Onvoy (Sinch) | VoIP |
| 520-501 | Twilio | VoIP |
| 520-502 | Onvoy (Sinch) | VoIP |
| 520-503 | Onvoy (Sinch) | VoIP |
| 520-504 | T-Mobile | Wireless |
| 520-505 | Allstream (Electric Lightwave) | Landline |
| 520-506 | Onvoy (Sinch) | VoIP |
| 520-507 | Verizon Wireless | Wireless |
| 520-508 | Verizon Wireless | Wireless |
| 520-509 | Lumen (Level 3) | VoIP |
| 520-510 | AT&T Mobility | Wireless |
| 520-512 | Qwest Corporation | Landline |
| 520-513 | Qwest Corporation | Landline |
| 520-514 | Qwest Corporation | Landline |
| 520-515 | Qwest Corporation | Landline |
| 520-516 | Qwest Corporation | Landline |
| 520-517 | Verizon Wireless | Wireless |
| 520-518 | AT&T Mobility | Wireless |
| 520-519 | Qwest Corporation | Landline |
| 520-520 | Onvoy (Sinch) | VoIP |
| 520-521 | Hd Carrier | Landline |
| 520-522 | FracTEL | Landline |
| 520-523 | Onvoy (Sinch) | VoIP |
| 520-524 | Onvoy (Sinch) | VoIP |
| 520-525 | Onvoy (Sinch) | VoIP |
| 520-526 | Commio | Landline |
| 520-527 | Onvoy (Sinch) | VoIP |
| 520-528 | Verizon Wireless | Wireless |
| 520-529 | Qwest Corporation | Landline |
| 520-530 | Onvoy (Sinch) | VoIP |
| 520-531 | Qwest Corporation | Landline |
| 520-532 | Onvoy (Sinch) | VoIP |
| 520-533 | Qwest Corporation | Landline |
| 520-534 | T-Mobile | Wireless |
| 520-535 | T-Mobile | Wireless |
| 520-536 | Onvoy (Sinch) | VoIP |
| 520-537 | Ip Horizon | Landline |
| 520-538 | Qwest Corporation | Landline |
| 520-539 | Verizon Wireless | Wireless |
| 520-540 | Bandwidth.com | VoIP |
| 520-541 | Verizon Wireless | Wireless |
| 520-542 | Lumen (Level 3) | VoIP |
| 520-543 | T-Mobile | Wireless |
| 520-544 | Qwest Corporation | Landline |
| 520-545 | Lumen (Level 3) | VoIP |
| 520-546 | Qwest Corporation | Landline |
| 520-547 | Lumen (Level 3) | VoIP |
| 520-548 | AT&T Mobility | Wireless |
| 520-549 | Verizon Wireless | Wireless |
| 520-550 | Gila River Telecomm | Landline |
| 520-551 | AT&T Mobility | Wireless |
| 520-552 | Onvoy (Sinch) | VoIP |
| 520-553 | T-Mobile | Wireless |
| 520-554 | AT&T Mobility | Wireless |
| 520-556 | T-Mobile | Wireless |
| 520-557 | Commio | Landline |
| 520-558 | Valley Tel Coop | Landline |
| 520-559 | Verizon Wireless | Wireless |
| 520-560 | AT&T Mobility | Wireless |
| 520-561 | Verizon Wireless | Wireless |
| 520-562 | Gila River Telecomm | Landline |
| 520-563 | Ip Horizon | Landline |
| 520-564 | Ip Horizon | Landline |
| 520-565 | AT&T Mobility | Wireless |
| 520-566 | Qwest Corporation | Landline |
| 520-567 | Ip Horizon | Landline |
| 520-568 | Qwest Corporation | Landline |
| 520-569 | Ip Horizon | Landline |
| 520-570 | Qwest Corporation | Landline |
| 520-571 | Qwest Corporation | Landline |
| 520-572 | Qwest Corporation | Landline |
| 520-573 | Qwest Corporation | Landline |
| 520-574 | Qwest Corporation | Landline |
| 520-575 | Qwest Corporation | Landline |
| 520-576 | Qwest Corporation | Landline |
| 520-577 | Qwest Corporation | Landline |
| 520-578 | Qwest Corporation | Landline |
| 520-579 | Qwest Corporation | Landline |
| 520-580 | Onvoy Spectrum (Sinch) | VoIP |
| 520-581 | Ip Horizon | Landline |
| 520-582 | Lumen (Level 3) | VoIP |
| 520-583 | Ip Horizon | Landline |
| 520-584 | Qwest Corporation | Landline |
| 520-585 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-586 | Qwest Corporation | Landline |
| 520-587 | AT&T Mobility | Wireless |
| 520-588 | FracTEL | Landline |
| 520-589 | Lumen (Level 3) | VoIP |
| 520-590 | Verizon Wireless | Wireless |
| 520-591 | Verizon Wireless | Wireless |
| 520-592 | Telnyx | Landline |
| 520-593 | Onvoy (Sinch) | VoIP |
| 520-594 | Wavenation | Landline |
| 520-595 | Lumen (CenturyLink) | Landline |
| 520-596 | T-Mobile | Wireless |
| 520-597 | Onvoy (Sinch) | VoIP |
| 520-598 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-599 | AT&T Mobility | Wireless |
| 520-600 | Onvoy (Sinch) | VoIP |
| 520-601 | Verizon Wireless | Wireless |
| 520-602 | Onvoy Spectrum (Sinch) | VoIP |
| 520-603 | Verizon Wireless | Wireless |
| 520-604 | Verizon Wireless | Wireless |
| 520-605 | Bandwidth.com | VoIP |
| 520-606 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-607 | AT&T Mobility | Wireless |
| 520-608 | Onvoy (Sinch) | VoIP |
| 520-609 | Verizon Wireless | Wireless |
| 520-610 | Verizon Wireless | Wireless |
| 520-612 | Bandwidth.com | VoIP |
| 520-613 | AT&T Mobility | Wireless |
| 520-614 | Onvoy (Sinch) | VoIP |
| 520-615 | Qwest Corporation | Landline |
| 520-616 | Qwest Corporation | Landline |
| 520-617 | Qwest Corporation | Landline |
| 520-618 | Lumen (Level 3) | VoIP |
| 520-619 | T-Mobile | Wireless |
| 520-620 | Qwest Corporation | Landline |
| 520-621 | Qwest Corporation | Landline |
| 520-622 | Qwest Corporation | Landline |
| 520-623 | Qwest Corporation | Landline |
| 520-624 | Qwest Corporation | Landline |
| 520-625 | Qwest Corporation | Landline |
| 520-626 | Qwest Corporation | Landline |
| 520-627 | Verizon Wireless | Wireless |
| 520-628 | Qwest Corporation | Landline |
| 520-629 | Qwest Corporation | Landline |
| 520-630 | Onvoy (Sinch) | VoIP |
| 520-631 | T-Mobile | Wireless |
| 520-632 | Verizon Wireless | Wireless |
| 520-633 | Verizon Wireless | Wireless |
| 520-634 | T-Mobile | Wireless |
| 520-635 | T-Mobile | Wireless |
| 520-636 | Peerless Network | VoIP |
| 520-637 | T-Mobile | Wireless |
| 520-638 | Qwest Corporation | Landline |
| 520-639 | Lumen (CenturyLink) | Landline |
| 520-640 | Lumen (Level 3) | VoIP |
| 520-641 | Ton80 Communications | Landline |
| 520-642 | Valley Tel Coop | Landline |
| 520-643 | Verizon Wireless | Wireless |
| 520-644 | FracTEL | Landline |
| 520-645 | Verizon Wireless | Wireless |
| 520-646 | Ton80 Communications | Landline |
| 520-647 | Qwest Corporation | Landline |
| 520-648 | Qwest Corporation | Landline |
| 520-649 | Verizon Wireless | Wireless |
| 520-650 | Onvoy (Sinch) | VoIP |
| 520-651 | Verizon Wireless | Wireless |
| 520-652 | Qwest Corporation | Landline |
| 520-653 | Bandwidth.com | VoIP |
| 520-654 | Commio | Landline |
| 520-655 | FracTEL | Landline |
| 520-656 | Verizon Wireless | Wireless |
| 520-657 | Bandwidth.com | VoIP |
| 520-658 | T-Mobile | Wireless |
| 520-659 | Nuso | Landline |
| 520-660 | T-Mobile | Wireless |
| 520-661 | T-Mobile | Wireless |
| 520-662 | Qwest Corporation | Landline |
| 520-663 | Qwest Corporation | Landline |
| 520-664 | Qwest Corporation | Landline |
| 520-665 | Qwest Corporation | Landline |
| 520-666 | Onvoy (Sinch) | VoIP |
| 520-667 | Nuso | Landline |
| 520-668 | Verizon Wireless | Wireless |
| 520-669 | Verizon Business (MCImetro) | Landline |
| 520-670 | Qwest Corporation | Landline |
| 520-671 | Verizon Business (MCImetro) | Landline |
| 520-672 | Verizon Business (MCImetro) | Landline |
| 520-673 | Verizon Business (MCImetro) | Landline |
| 520-674 | Verizon Business (MCImetro) | Landline |
| 520-675 | Boost Mobile | Landline |
| 520-676 | Verizon Wireless | Wireless |
| 520-677 | Boost Mobile | Landline |
| 520-678 | Verizon Wireless | Wireless |
| 520-679 | Verizon Wireless | Wireless |
| 520-680 | Onvoy (Sinch) | VoIP |
| 520-681 | Lumen (Level 3) | VoIP |
| 520-682 | Qwest Corporation | Landline |
| 520-683 | Onvoy (Sinch) | VoIP |
| 520-684 | Verizon Business (MCImetro) | Landline |
| 520-685 | Comcast (Xfinity Voice) | VoIP |
| 520-686 | Verizon Wireless | Wireless |
| 520-687 | Verizon Business (MCImetro) | Landline |
| 520-688 | FracTEL | Landline |
| 520-689 | Qwest Corporation | Landline |
| 520-690 | Qwest Corporation | Landline |
| 520-691 | Verizon Business (MCImetro) | Landline |
| 520-692 | Verizon Business (MCImetro) | Landline |
| 520-693 | Verizon Business (MCImetro) | Landline |
| 520-694 | Lumen (Level 3) | VoIP |
| 520-695 | Qwest Corporation | Landline |
| 520-696 | Qwest Corporation | Landline |
| 520-697 | Verizon Wireless | Wireless |
| 520-698 | Verizon Wireless | Wireless |
| 520-699 | FracTEL | Landline |
| 520-701 | T-Mobile | Wireless |
| 520-702 | Onvoy (Sinch) | VoIP |
| 520-703 | Callworks Corporation | Landline |
| 520-704 | AT&T Mobility | Wireless |
| 520-705 | Verizon Wireless | Wireless |
| 520-706 | Verizon Business (MCImetro) | Landline |
| 520-707 | Verizon Business (MCImetro) | Landline |
| 520-708 | Verizon Business (MCImetro) | Landline |
| 520-709 | Verizon Wireless | Wireless |
| 520-710 | Onvoy Spectrum (Sinch) | VoIP |
| 520-712 | Qwest Corporation | Landline |
| 520-713 | Verizon Business (MCImetro) | Landline |
| 520-714 | Verizon Business (MCImetro) | Landline |
| 520-715 | Verizon Business (MCImetro) | Landline |
| 520-716 | Verizon Business (MCImetro) | Landline |
| 520-717 | Verizon Business (MCImetro) | Landline |
| 520-718 | Verizon Business (MCImetro) | Landline |
| 520-719 | Bandwidth.com | VoIP |
| 520-720 | Qwest Corporation | Landline |
| 520-721 | Qwest Corporation | Landline |
| 520-722 | Qwest Corporation | Landline |
| 520-723 | Qwest Corporation | Landline |
| 520-724 | Qwest Corporation | Landline |
| 520-725 | Verizon Business (MCImetro) | Landline |
| 520-727 | AT&T Mobility | Wireless |
| 520-728 | T-Mobile | Wireless |
| 520-729 | Verizon Wireless | Wireless |
| 520-730 | Verizon Wireless | Wireless |
| 520-731 | Qwest Corporation | Landline |
| 520-732 | Verizon Wireless | Wireless |
| 520-733 | Qwest Corporation | Landline |
| 520-734 | Verizon Wireless | Wireless |
| 520-735 | AT&T Mobility | Wireless |
| 520-736 | AT&T Mobility | Wireless |
| 520-737 | Allo Communications | Landline |
| 520-738 | Verizon Wireless | Wireless |
| 520-739 | Onvoy Spectrum (Sinch) | VoIP |
| 520-740 | Qwest Corporation | Landline |
| 520-741 | Qwest Corporation | Landline |
| 520-742 | Qwest Corporation | Landline |
| 520-743 | Qwest Corporation | Landline |
| 520-744 | Qwest Corporation | Landline |
| 520-745 | Qwest Corporation | Landline |
| 520-746 | Qwest Corporation | Landline |
| 520-747 | Qwest Corporation | Landline |
| 520-748 | Qwest Corporation | Landline |
| 520-749 | Qwest Corporation | Landline |
| 520-750 | Qwest Corporation | Landline |
| 520-751 | Qwest Corporation | Landline |
| 520-752 | Verizon Wireless | Wireless |
| 520-753 | Verizon Wireless | Wireless |
| 520-754 | Verizon Wireless | Wireless |
| 520-755 | FracTEL | Landline |
| 520-756 | AT&T Mobility | Wireless |
| 520-757 | T-Mobile | Wireless |
| 520-758 | FracTEL | Landline |
| 520-759 | Verizon Wireless | Wireless |
| 520-760 | Qwest Corporation | Landline |
| 520-761 | Qwest Corporation | Landline |
| 520-762 | Qwest Corporation | Landline |
| 520-763 | T-Mobile | Wireless |
| 520-764 | T-Mobile | Wireless |
| 520-765 | T-Mobile | Wireless |
| 520-766 | Valley Connections | Landline |
| 520-767 | AT&T Mobility | Wireless |
| 520-770 | Qwest Corporation | Landline |
| 520-771 | Vonage | VoIP |
| 520-772 | Ton80 Communications | Landline |
| 520-775 | Bandwidth.com | VoIP |
| 520-777 | Lumen (Level 3) | VoIP |
| 520-779 | Bandwidth.com | VoIP |
| 520-780 | Verizon Wireless | Wireless |
| 520-783 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-784 | Qwest Corporation | Landline |
| 520-785 | Allo Communications | Landline |
| 520-788 | T-Mobile | Wireless |
| 520-789 | T-Mobile | Wireless |
| 520-790 | Qwest Corporation | Landline |
| 520-791 | Qwest Corporation | Landline |
| 520-792 | Qwest Corporation | Landline |
| 520-793 | Qwest Corporation | Landline |
| 520-794 | Qwest Corporation | Landline |
| 520-795 | Qwest Corporation | Landline |
| 520-796 | Gila River Telecomm | Landline |
| 520-797 | Qwest Corporation | Landline |
| 520-798 | Qwest Corporation | Landline |
| 520-799 | Qwest Corporation | Landline |
| 520-800 | Onvoy (Sinch) | VoIP |
| 520-801 | Wide Voice | Landline |
| 520-802 | Leap Telecom | Landline |
| 520-803 | Qwest Corporation | Landline |
| 520-805 | Qwest Corporation | Landline |
| 520-806 | Qwest Corporation | Landline |
| 520-807 | Qwest Corporation | Landline |
| 520-808 | AT&T Mobility | Wireless |
| 520-809 | Intrado Communications | Landline |
| 520-812 | Bandwidth.com | VoIP |
| 520-815 | Bandwidth.com | VoIP |
| 520-818 | Qwest Corporation | Landline |
| 520-820 | Verizon Wireless | Wireless |
| 520-822 | Qwest Corporation | Landline |
| 520-823 | Arizona Tel. | Landline |
| 520-824 | Valley Tel Coop | Landline |
| 520-825 | Qwest Corporation | Landline |
| 520-826 | Valley Tel Coop | Landline |
| 520-827 | Verizon Wireless | Wireless |
| 520-829 | Lumen (Level 3) | VoIP |
| 520-831 | T-Mobile | Wireless |
| 520-833 | Verizon Wireless | Wireless |
| 520-834 | AT&T Mobility | Wireless |
| 520-836 | Qwest Corporation | Landline |
| 520-837 | AT&T (Teleport Communications) | Landline |
| 520-838 | Qwest Corporation | Landline |
| 520-839 | T-Mobile | Wireless |
| 520-840 | Verizon Wireless | Wireless |
| 520-841 | AT&T Mobility | Wireless |
| 520-842 | Onvoy (Sinch) | VoIP |
| 520-843 | Onvoy (Sinch) | VoIP |
| 520-844 | Onvoy (Sinch) | VoIP |
| 520-845 | Valley Tel Coop | Landline |
| 520-847 | Valley Tel Coop | Landline |
| 520-848 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-849 | Verizon Wireless | Wireless |
| 520-850 | Verizon Wireless | Wireless |
| 520-851 | AT&T (Teleport Communications) | Landline |
| 520-852 | AT&T (Teleport Communications) | Landline |
| 520-853 | AT&T (Teleport Communications) | Landline |
| 520-854 | AT&T (Teleport Communications) | Landline |
| 520-855 | AT&T (Teleport Communications) | Landline |
| 520-858 | Qwest Corporation | Landline |
| 520-860 | Verizon Wireless | Wireless |
| 520-861 | T-Mobile | Wireless |
| 520-866 | Qwest Corporation | Landline |
| 520-867 | AT&T Mobility | Wireless |
| 520-868 | Qwest Corporation | Landline |
| 520-869 | T-Mobile | Wireless |
| 520-870 | T-Mobile | Wireless |
| 520-872 | Qwest Corporation | Landline |
| 520-873 | Qwest Corporation | Landline |
| 520-874 | Qwest Corporation | Landline |
| 520-876 | Qwest Corporation | Landline |
| 520-877 | Qwest Corporation | Landline |
| 520-878 | Qwest Corporation | Landline |
| 520-879 | Qwest Corporation | Landline |
| 520-881 | Qwest Corporation | Landline |
| 520-882 | Qwest Corporation | Landline |
| 520-883 | Qwest Corporation | Landline |
| 520-884 | Qwest Corporation | Landline |
| 520-885 | Qwest Corporation | Landline |
| 520-886 | Qwest Corporation | Landline |
| 520-887 | Qwest Corporation | Landline |
| 520-888 | Qwest Corporation | Landline |
| 520-889 | Qwest Corporation | Landline |
| 520-891 | T-Mobile | Wireless |
| 520-895 | Lumen (Level 3) | VoIP |
| 520-896 | Qwest Corporation | Landline |
| 520-898 | Midvale Telephone Exchange | Landline |
| 520-899 | FracTEL | Landline |
| 520-900 | Onvoy (Sinch) | VoIP |
| 520-901 | Lumen (Level 3) | VoIP |
| 520-903 | Qwest Corporation | Landline |
| 520-904 | Verizon Wireless | Wireless |
| 520-906 | AT&T Mobility | Wireless |
| 520-907 | AT&T Mobility | Wireless |
| 520-908 | Qwest Corporation | Landline |
| 520-909 | Verizon Wireless | Wireless |
| 520-910 | Onvoy (Sinch) | VoIP |
| 520-912 | AT&T Mobility | Wireless |
| 520-917 | Verizon Business (MCImetro) | Landline |
| 520-918 | Verizon Business (MCImetro) | Landline |
| 520-921 | T-Mobile | Wireless |
| 520-922 | Ahoi | Landline |
| 520-924 | Allstream (Electric Lightwave) | Landline |
| 520-929 | Ton80 Communications | Landline |
| 520-934 | Ton80 Communications | Landline |
| 520-940 | T-Mobile | Wireless |
| 520-941 | AT&T (Teleport Communications) | Landline |
| 520-942 | AT&T (Teleport Communications) | Landline |
| 520-943 | AT&T (Teleport Communications) | Landline |
| 520-944 | AT&T (Teleport Communications) | Landline |
| 520-945 | AT&T (Teleport Communications) | Landline |
| 520-949 | Ton80 Communications | Landline |
| 520-954 | Verizon Wireless | Wireless |
| 520-955 | Verizon Wireless | Wireless |
| 520-965 | T-Mobile | Wireless |
| 520-966 | FracTEL | Landline |
| 520-971 | T-Mobile | Wireless |
| 520-975 | Verizon Wireless | Wireless |
| 520-977 | T-Mobile | Wireless |
| 520-979 | T-Mobile | Wireless |
| 520-980 | Metro by T-Mobile (MetroPCS) | Wireless |
| 520-981 | T-Mobile | Wireless |
| 520-982 | T-Mobile | Wireless |
| 520-987 | Verizon Wireless | Wireless |
| 520-988 | Verizon Wireless | Wireless |
| 520-989 | Allstream (Electric Lightwave) | Landline |
| 520-990 | T-Mobile | Wireless |
| 520-991 | T-Mobile | Wireless |
| 520-993 | Verizon Wireless | Wireless |
| 520-994 | Ton80 Communications | Landline |
| 520-999 | Onvoy (Sinch) | VoIP |
Line type reflects the registry assignment; ported numbers can differ. Unknown 520 number calling? ActiveArmor® screens it before you ever look it up.
Cities & Communities in and around Area Code 520
Communities the 520 serves, filtered against the numbering registry’s rate centers, with each community’s key ZIP codes and the AT&T home internet available there. Cities link to their local AT&T internet page.
| City / community | Key ZIP codes | AT&T internet |
|---|---|---|
| Arizona City | 85123 | Fiber up to 1 GIG |
| Benson | 85627 | Internet Air |
| Bisbee | 85603, 85620 | Internet Air |
| Casa Grande | 85122, 85193, 85194 | Fiber up to 1 GIG |
| Coolidge | 85128, 85191, 85194 | Internet Air |
| Douglas | 85626, 85608 | Internet Air |
| Flagstaff | 86011, 86005 | Internet Air |
| Huachuca City | 85616, 85613 | Internet Air |
| Maricopa | 85138 | Fiber up to 1 GIG |
| Nogales | 85621 | Internet Air |
| Oracle | 85623 | Fiber up to 1 GIG |
| Prescott | 86301, 86313, 86314 | Internet Air |
| Queen Creek | 85142, 85212, 85298 | Fiber up to 1 GIG |
| Rio Rico | 85648, 85640 | Internet Air |
| San Manuel | 85631 | Internet Air |
| San Tan Valley | 85143, 85142, 85140 | Fiber up to 1 GIG |
| Sierra Vista | 85613 | Internet Air |
| Stanfield | 85172 | Internet Air |
| Superior | 85173 | Internet Air |
| Tucson | 85708, 85707, 85706 | Fiber up to 1 GIG |
| Vail | 85641, 85747 | Fiber up to 1 GIG |
| Willcox | — | Internet Air |
City list: AT&T service-area records and the public numbering registry. Key ZIPs: U.S. Census data for each community. Internet type: AT&T eligibility data, June 2026. Availability is always confirmed at your exact address.
520 Area Code Map
Area code 520 serves Tucson and nearby communities in AZ.
↓ Printable PDF
Open the printable 520 map (PDF) · All Arizona area codes · Home internet in Tucson
Counties Covered by the 520 Area Code
Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023. The 520 also reaches parts of Coconino County, Cochise County, Santa Cruz County.
The 520, explained
Area Code 520: More Than a Number in Tucson
In Tucson, the 520 is more than digits on a caller ID. It arrived in 1995, carved out of the 602, and it has meant Tucson and surrounding communities ever since — 694 carrier prefixes keep its lines busy today, and an established 520 number still says you’ve been here a while.
The map tells its own story: Tucson and surrounding communities, with no overlay on its territory. The area and the code are still one and the same — rare in Arizona and getting rarer nationwide.
Keeping a 520 matters here. An existing 520 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S.
Need a new local number? Shop plans Keep your 520: bring it to AT&TInternet, wireless & stores in the 520
AT&T Home Internet in Area Code 520
AT&T home internet serves communities across area code 520, with AT&T Fiber where it’s built and AT&T Internet Air covering the gaps. Availability is decided address by address; every community in the table above links to its local internet page.
No data capsNo annual contractNo equipment fees
AT&T Fiber: Ltd. avail/areas. Speeds based on wired connection. Actual speeds vary. For 5-GIG, single device wired speed maximum 4.7Gbps. For more info., visit att.com/speed101. AT&T Internet Air: AT&T Internet Air not available in all areas. In rare cases, if your usage is contributing to congestion on the network, AT&T will greatly reduce your speed for a minimum of 30 min.
Pair it with wireless in an internet + wireless bundle. Run a business in the 520? AT&T Business Internet is available at many addresses.
Fiber install day in the 520Check your address ›
Moving to Area Code 520?
Set up home internet in area code 520 before the boxes arrive, and find your new community in the table above or check your exact address below.
Your number moves with you: port your 520 number from anywhere, or keep your old number when you arrive. An AT&T store nearby can handle the whole switch in one visit.
1 · Check your addressSee Fiber or Internet Air availability in seconds.
2 · Schedule for move-in dayInstall lined up before the boxes arrive.
3 · Keep your numberYour mobile number ports; your internet moves.
Get set up before move-in dayPlan your move ›
AT&T Wireless in Area Code 520
AT&T’s 5G network covers most of area code 520. ActiveArmor® spam blocking is included with every unlimited plan, your 520 number stays yours, and great cell phone deals in Tucson are a tap away.
5G across the 520ActiveArmor® includedKeep your 520 number
AT&T may temporarily slow data speeds if the network is busy. 5G req’s compatible plan & device. Coverage not available everywhere. Learn more at att.com/5Gforyou.
Need a new 520 number? Ask when you activate a line, and porting an existing 520 number keeps it yours.
Stay connected across TucsonShop wireless plans ›
AT&T Stores in Area Code 520
Looking for cell phone stores in area code 520? These stores answer on 520 numbers — walk in for switching, porting, upgrades and hands-on help:
Every AT&T store in the region, company owned and authorized retailer alike, each with its own store page.
Real help from real people in TucsonFind your store ›
All AT&T Stores with 520 Numbers
Every store below answers on a 520 number. Tap any number to call.
20 AT&T stores with 520 numbers
International Calling from Area Code 520
Calling abroad from area code 520? AT&T International Calling adds discounted or unlimited rates to 200+ countries on top of your existing plan, and unlimited texting from the U.S. to 200+ destinations is already included on AT&T unlimited plans.
Where the 520 calls most:MexicoIndiaCanadaPhilippinesChina
Top places of birth among foreign-born residents of the 520’s counties, U.S. Census Bureau ACS 2023.
Calling abroad from a 520 number: dial 011 + country code + number (or just + on a mobile). Traveling abroad instead? International Day Pass® takes your talk, text and data with you for a flat daily rate.
International Calling and International Day Pass® availability, rates and included destinations vary by plan; see att.com for the current country list.
Tucson calls the worldSee international plans ›
520 Area Code Quick Facts & Dialing
StateArizona
Time zoneMountainno daylight saving time
OverlaysNonethe 520 stands alone
Established1995split from the 602
Dialing10 digitsrequired since the 988 transition
Toll-free?Nogeographic code
Population6.44Mcounties served, Census 2023
Largest cityTucson+21 more ›
How to dial a 520 number
| Scenario | Format | Example |
|---|---|---|
| Local call (within the region) | 520 + 7-digit number | (520) 555-0100 |
| Long distance (within the U.S.) | 1 + 520 + 7-digit number | 1 (520) 555-0100 |
| Calling 520 from another country | +1 520 + 7-digit number | +1 520 555 0100 |
| From a mobile phone | (520) + 7-digit number | (520) 555-0100 |
A Short History of Area Code 520
Created in 1995 as a split from the 602, the 520 has meant Tucson and surrounding communities ever since.
1995Split from the 602
2001Territory split off as 928
Area Code 520 vs the related codes
| Code | Added | Type | Where it works |
|---|---|---|---|
| 520 | 1995 | Split | Tucson and surrounding communities |
| 928 | 2001 | Split | Territory carved from the 520 |
Same rates, same local dialing: a number from any code in the region works exactly like a 520.
Nearby & Related Area Codes
Browse area codes by state: Arizona (5) · California (41) · Texas (29) · Florida (23) · all 50 states ›
Area Code 520 FAQ
What area code is 520?
520 is the area code for Tucson, Arizona and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 520?
Area code 520 serves Tucson, Arizona and nearby communities including Amado, Anthem, Apache Junction. The full city list is in the cities table above.
Why did I get a text message from a 520 number?
The most common 520 text scam opens like a wrong number (“u at home?”, “are you busy tomorrow?”) and tries to move you to WhatsApp. Don’t reply. Forward the text to 7726 (SPAM) and delete it. AT&T ActiveArmor® filters known scam senders automatically.
Who called me from area code 520?
A 520 number usually means Tucson or a nearby community, but spoofing is common. This page’s prefix lookup isn’t a reverse phone lookup — it can’t name the caller, but it shows the carrier, line type and community a number was issued to, which is often enough to judge a call.
What time zone is area code 520?
Mountain time. The live local time is shown at the top of this page.
Why am I getting calls from 520 numbers?
520 is an active, legitimate Arizona area code, but scammers spoof local numbers because people answer them. If there’s no voicemail, let it go. AT&T ActiveArmor® blocks and labels spam automatically, and you can report unwanted calls at reportfraud.ftc.gov. The spam report board above shows which 520 prefixes are drawing complaints right now.
Is 520 a toll-free number?
No. 520 is a geographic area code tied to Tucson, Arizona. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
When was area code 520 created?
Area code 520 entered service in 1995 and still covers Tucson and the surrounding Arizona communities today. The full timeline is in the history section above.
Which cities use area code 520?
The largest communities include Arizona City, Benson, Bisbee, Casa Grande, Coolidge. The full list is in the cities table above.
Does AT&T offer service in the 520?
Yes: home internet, wireless and retail stores across the 520. Availability is checked address by address.
Can I still get a 520 number?
Yes. Carriers in Tucson and across the 520 still issue 520 numbers on new lines, and you can port an existing 520 number to any carrier.
Can I keep my 520 number if I move?
Yes. Phone numbers are portable: your 520 number can move with you anywhere in the U.S., whether you stay with your carrier or switch.
Sources: city and store data from AT&T records; prefix and carrier assignments from the public numbering registry (pulled July 2026). Facts regenerate monthly.
