520 Area Code: Location, Cities, Map And Time Zone

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Area Code 520

Area code 520 is in Arizona, USA , spanning 5 counties and serving 64 cities , including Tucson, Casas Adobes or Casa Grande; it currently uses 692 prefixes , assigned from 520-200-XXXX through 520-999-XXXX.

In service date for area code 520: March 19, 1995.

The current local time is .

520 area code location on a map
© OpenStreetMap contributorsFor exact NPA boundaries see official 520 area code map

Phone number lookup

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More Arizona area codes:

  • 480
  • 602
  • 623
  • 928

Locate any 520-NXX prefix:

520-200-XXXX --- 520-299-XXXX
NPANXX Area served[1] Provider[2] Date[3]
520-200 Hayden Multiple 10/24/2002
520-201 San Manuel Multiple 10/24/2002
520-202 Tucson Level 3 Telecom Of Arizona N/A
520-203 Tucson Multiple 8/13/2003
520-204 Tucson Multiple 12/4/2003
520-205 Tucson Multiple N/A
520-206 Tucson Qwest Corporation N/A
520-207 Tucson Comcast IP Phone N/A
520-208 Casa Grande Multiple 1/8/2001
520-209 Tucson Qwest Corporation N/A
520-210 Tombstone Multiple 8/20/2013
520-212 Cascabel Midvale Telephone Exchange N/A
520-213 Casa Grande Multiple 6/25/2013
520-214 Tucson Onvoy 11/19/2015
520-215 Blackwater Gila River Telecomm N/A
520-216 Nogales Multiple N/A
520-217 Casa Grande Multiple 12/29/2015
520-218 Tucson Qwest Corporation N/A
520-219 Tucson Qwest Corporation N/A
520-220 Sierra Vista Multiple 5/31/2002
520-221 Benson Multiple 4/8/2003
520-222 Tucson Multiple 10/6/2011
520-223 Nogales Multiple 4/9/2002
520-224 Sierra Vista Multiple N/A
520-225 Tucson Multiple N/A
520-226 Sierra Vista Multiple 4/9/2002
520-227 Sierra Vista Multiple 5/16/2002
520-228 Tucson Qwest Corporation N/A
520-229 Tucson Multiple N/A
520-230 Tucson Multiple N/A
520-231 Whitlow Multiple N/A
520-232 Tucson Multiple N/A
520-233 Casa Grande Multiple 7/23/2002
520-234 Sierra Vista AT&T 11/6/2002
520-235 Tucson Cellco Partnership N/A
520-236 Sierra Vista Multiple 9/17/2002
520-237 Tucson Cellco Partnership N/A
520-238 Yuma T-Mobile USA N/A
520-239 Tucson Multiple N/A
520-240 Tucson Cellco Partnership N/A
520-241 Tucson New Cingular Wireless PCS N/A
520-242 Willcox Cellco Partnership 10/28/2021
520-243 Tucson Multiple N/A
520-244 Tucson Multiple 3/14/2016
520-245 Tucson T-Mobile USA N/A
520-246 Tucson Multiple 10/30/2020
520-247 Tucson New Cingular Wireless PCS 1/18/2001
520-248 Tucson T-Mobile USA N/A
520-249 Sierra Vista Multiple N/A
520-250 Tucson T-Mobile USA N/A
520-251 Casa Grande Multiple N/A
520-252 Casa Grande Multiple N/A
520-253 Willcox Multiple 4/8/2003
520-254 Willcox Multiple 4/2/2004
520-255 Sierra Vista Multiple 4/28/2004
520-256 Tucson T-Mobile USA 1/29/2001
520-257 Tucson Multiple 8/19/2014
520-258 Tucson Multiple N/A
520-259 Tucson North County Communications Corporation N/A
520-260 Tucson Cellco Partnership N/A
520-261 Tucson Bandwidth.com Clec 7/16/2009
520-262 Tucson Cellco Partnership 2/17/2010
520-263 Sierra Vista Multiple 8/15/2014
520-264 Nogales Multiple 2/13/2001
520-265 Benson Multiple 8/9/2002
520-266 Sierra Vista Multiple 8/9/2002
520-267 Sierra Vista North County Communications Corporation N/A
520-268 Tucson Multiple 3/14/2013
520-269 Tucson Multiple 2/5/2007
520-270 Tucson T-Mobile USA N/A
520-271 Tucson T-Mobile USA N/A
520-272 Tucson New Cingular Wireless PCS N/A
520-273 Tucson Multiple 8/19/2014
520-274 Tucson Multiple 9/14/2016
520-275 Tucson New Cingular Wireless PCS N/A
520-276 Tucson Bandwidth.com Clec 10/30/2014
520-277 Whitlow Multiple 5/8/2012
520-278 Tucson Multiple 8/28/2014
520-279 Tucson Cellco Partnership 2/18/2014
520-280 Casa Grande Multiple N/A
520-281 Nogales Qwest Corporation N/A
520-282 Tucson Multiple N/A
520-283 Tucson Multiple 9/23/2014
520-284 Tucson Multiple 3/17/2009
520-285 Nogales Multiple N/A
520-286 Tucson Multiple 1/11/2013
520-287 Nogales Qwest Corporation N/A
520-288 Tucson Multiple 4/21/2011
520-289 Tucson Multiple 6/28/2006
520-290 Tucson Qwest Corporation N/A
520-291 Tucson Qwest Corporation N/A
520-292 Tucson Qwest Corporation N/A
520-293 Tucson Qwest Corporation N/A
520-294 Tucson Qwest Corporation N/A
520-295 Tucson Qwest Corporation N/A
520-296 Tucson Qwest Corporation N/A
520-297 Tucson Qwest Corporation N/A
520-298 Tucson Qwest Corporation N/A
520-299 Tucson Qwest Corporation N/A
520-300-XXXX --- 520-399-XXXX
NPANXX Area served[1] Provider[2] Date[3]
520-300 Tucson Multiple 3/22/2007
520-301 Tucson Multiple 5/3/2007
520-302 Tucson Multiple 2/12/2007
520-303 Tucson Multiple 1/2/2008
520-304 Tucson New Cingular Wireless PCS N/A
520-305 Tucson Multiple 10/9/2007
520-306 Tucson Multiple 3/12/2009
520-307 Tucson Cellco Partnership N/A
520-308 Tucson Multiple 9/9/2009
520-309 Tucson Multiple 9/30/2005
520-310 Tucson Cellco Partnership 9/9/2009
520-312 Tucson New Cingular Wireless PCS N/A
520-313 Nogales T-Mobile USA 5/15/2001
520-314 Tucson Multiple 2/9/2011
520-315 Casa Blanca Gila River Telecomm N/A
520-316 Casa Grande Qwest Corporation N/A
520-317 Hayden Multiple 7/13/2016
520-318 Tucson Qwest Corporation N/A
520-319 Tucson Qwest Corporation N/A
520-320 Tucson Qwest Corporation N/A
520-321 Tucson Qwest Corporation N/A
520-322 Tucson Qwest Corporation N/A
520-323 Tucson Qwest Corporation N/A
520-324 Tucson Qwest Corporation N/A
520-325 Tucson Qwest Corporation N/A
520-326 Tucson Qwest Corporation N/A
520-327 Tucson Qwest Corporation N/A
520-328 Tucson Multiple 5/14/2014
520-329 Tucson Multiple 6/28/2010
520-330 Tucson Multiple 7/6/2016
520-331 Tucson T-Mobile USA N/A
520-332 Tucson Multiple 5/17/2012
520-333 Tucson Multiple 12/17/2010
520-334 Tucson Multiple 10/2/2008
520-335 Sierra Vista Multiple 2/12/2009
520-336 Tucson Multiple 2/13/2009
520-337 Willcox Multiple 5/5/2008
520-338 Tucson Multiple 10/7/2011
520-339 Tucson Multiple 9/12/2008
520-340 Casa Grande Multiple 9/1/2016
520-341 Nogales Multiple 12/9/2016
520-342 Tucson Multiple 3/8/2007
520-343 Tucson Multiple 5/23/2007
520-344 Tucson Multiple 4/24/2007
520-345 Tucson Multiple 1/11/2013
520-346 Bisbee Multiple 9/21/2018
520-347 Tucson Multiple N/A
520-348 Willcox Multiple 6/22/2015
520-349 Tucson Cellco Partnership N/A
520-350 Casa Grande Multiple 5/14/2008
520-351 Tucson Multiple 10/11/2005
520-352 Tucson Multiple N/A
520-353 Bisbee Multiple 5/8/2012
520-354 Tucson Multiple 10/27/2016
520-355 Tucson Multiple 9/7/2012
520-356 Hayden Multiple N/A
520-357 Hayden Multiple N/A
520-358 Tucson New Cingular Wireless PCS 3/6/2001
520-359 Tucson Multiple 6/24/2014
520-360 Tucson New Cingular Wireless PCS N/A
520-361 Santa Rosa Tohono O'odham Utility Authority N/A
520-362 West San Simon Tohono O'odham Utility Authority N/A
520-363 Hayden Multiple N/A
520-364 Douglas Qwest Corporation N/A
520-365 Tucson Multiple 4/24/2012
520-366 Bisbee Multiple N/A
520-367 Tucson Multiple 7/13/2017
520-368 Douglas Multiple 11/7/2007
520-369 Tucson Multiple 9/28/2011
520-370 Tucson T-Mobile USA N/A
520-371 Casa Grande Multiple N/A
520-372 Tucson Multiple 8/5/2019
520-373 Tucson Multiple 10/31/2012
520-374 Casa Grande Qwest Corporation N/A
520-375 Nogales Multiple N/A
520-376 Sierra Vista Multiple 2/19/2019
520-377 Nogales Qwest Corporation N/A
520-378 Sierra Vista Qwest Corporation N/A
520-379 Douglas Multiple N/A
520-380 Casa Grande Multiple 8/23/2019
520-381 Casa Grande Multiple N/A
520-382 Tucson Multiple N/A
520-383 Sells Tohono O'odham Utility Authority N/A
520-384 Willcox Qwest Corporation N/A
520-385 San Manuel Multiple N/A
520-386 Benson Multiple 12/11/2019
520-387 Ajo Table Top Telephone Company N/A
520-388 Tucson Multiple N/A
520-389 Tucson Multiple 10/9/2014
520-390 Tucson T-Mobile USA N/A
520-391 Superior Multiple N/A
520-392 Tucson Multiple 12/29/2009
520-393 Tucson Multiple N/A
520-394 Nogales Multiple N/A
520-395 Tucson Multiple 5/21/2007
520-396 Tucson Multiple 8/24/2006
520-397 Nogales Multiple N/A
520-398 Tucson Multiple N/A
520-399 Tucson Multiple N/A
520-400-XXXX --- 520-499-XXXX
NPANXX Area served[1] Provider[2] Date[3]
520-400 Tucson Cellco Partnership N/A
520-401 Tucson T-Mobile USA N/A
520-402 Benson Multiple 9/14/2016
520-403 Tucson Cellco Partnership N/A
520-404 Tucson Cellco Partnership N/A
520-405 Tucson Cellco Partnership N/A
520-406 Tucson New Cingular Wireless PCS 4/16/2001
520-407 Tucson Multiple N/A
520-408 Tucson Qwest Corporation N/A
520-409 Tucson New Cingular Wireless PCS N/A
520-410 Tucson Qwest Corporation N/A
520-412 Tombstone Multiple 10/29/2018
520-413 Casa Grande Multiple 4/16/2001
520-414 Casa Grande Multiple 4/16/2001
520-415 Nogales Multiple 3/5/2012
520-416 Tucson Multiple 9/16/2019
520-417 Sierra Vista Qwest Corporation N/A
520-418 Stotonic Gila River Telecomm N/A
520-419 Tucson Cellco Partnership N/A
520-420 Tucson Multiple 12/18/2019
520-421 Casa Grande Qwest Corporation N/A
520-422 Bisbee Multiple 8/13/2012
520-423 Casa Grande Multiple N/A
520-424 Casa Grande Multiple N/A
520-425 Tucson Multiple 11/3/2006
520-426 Casa Grande Qwest Corporation N/A
520-427 Tucson Multiple 1/11/2013
520-428 Tucson Multiple 1/17/2014
520-429 Tucson Cellco Partnership N/A
520-430 Maricopa Village Gila River Telecomm N/A
520-431 Casa Grande New Cingular Wireless PCS N/A
520-432 Bisbee Multiple N/A
520-433 Tucson Multiple 11/20/2012
520-434 Tucson Multiple N/A
520-435 Willcox Multiple 05/31/2023
520-436 Hayden Multiple 10/3/2019
520-437 Tucson Multiple 3/30/2006
520-438 Whitlow Multiple 10/3/2019
520-439 Sierra Vista Qwest Corporation N/A
520-440 Tucson T-Mobile USA N/A
520-441 Tucson Multiple 4/20/2010
520-442 Benson Multiple 9/24/2012
520-443 Tucson Multiple 6/6/2007
520-444 Tucson Cellco Partnership N/A
520-445 Tucson Multiple N/A
520-446 Tucson USA Mobility Wireless N/A
520-447 Tucson Multiple 2/28/2014
520-448 Tucson Multiple 4/30/2014
520-449 Tucson Multiple N/A
520-450 Casa Grande Multiple N/A
520-451 Tucson Multiple 10/28/2021
520-452 Sierra Vista Qwest Corporation N/A
520-453 Tombstone Multiple 4/20/2020
520-454 Sierra Vista Qwest Corporation 2/13/2009
520-455 Nogales Multiple N/A
520-456 Sierra Vista Multiple N/A
520-457 Tombstone Multiple N/A
520-458 Sierra Vista Qwest Corporation N/A
520-459 Sierra Vista Qwest Corporation N/A
520-460 Tucson Multiple 9/17/2012
520-461 Tucson Multiple N/A
520-462 Tucson Onvoy 8/17/2017
520-463 Whitlow Multiple N/A
520-464 Casa Grande Multiple N/A
520-465 Tucson New Cingular Wireless PCS N/A
520-466 Casa Grande Qwest Corporation N/A
520-467 Tucson Multiple 12/19/2019
520-468 Tucson Multiple 5/21/2008
520-469 Tucson Qwest Corporation N/A
520-470 Nogales Multiple N/A
520-471 Tucson Cellco Partnership N/A
520-472 Casa Grande Multiple 8/26/2019
520-473 Sierra Vista Multiple 11/23/2020
520-474 Tucson Multiple 11/16/2012
520-475 Tucson Multiple 6/5/2020
520-476 Tucson Multiple 9/1/2020
520-477 Tucson Multiple 1/12/2011
520-478 Ajo Multiple 10/27/2020
520-479 Tucson Multiple 5/11/2020
520-481 Tucson T-Mobile USA N/A
520-482 Tucson Multiple 7/1/2021
520-483 Casa Grande Cellco Partnership N/A
520-484 Tucson Multiple 10/22/2012
520-485 Tucson Bandwidth.com Clec 5/13/2015
520-486 Tucson New Cingular Wireless PCS 9/16/2020
520-487 San Manuel Multiple N/A
520-488 Tucson Cellco Partnership N/A
520-489 Tucson Qwest Corporation N/A
520-490 Tucson Cellco Partnership N/A
520-491 Flagstaff T-Mobile USA N/A
520-492 Tucson Multiple 10/6/2020
520-493 Tucson Firstdigital Telecom 4/18/2019
520-494 Casa Grande Multiple N/A
520-495 Tucson Multiple N/A
520-496 Tucson Multiple 10/7/2020
520-497 Tucson Multiple 10/7/2020
520-498 Tucson Qwest Corporation N/A
520-499 Tucson Multiple 4/19/2013
520-500-XXXX --- 520-599-XXXX
NPANXX Area served[1] Provider[2] Date[3]
520-500 Tucson Multiple 2/26/2015
520-501 Tucson Multiple 10/22/2020
520-502 Sasabe Multiple 6/2/2020
520-503 Willcox Multiple 12/22/2020
520-504 Sierra Vista Multiple 4/2/2021
520-505 Tucson Multiple 7/20/2009
520-506 Tombstone Multiple 12/23/2020
520-507 Willcox Cellco Partnership N/A
520-508 Sierra Vista Cellco Partnership N/A
520-509 Casa Grande Multiple 5/15/2001
520-510 Casa Grande Multiple N/A
520-512 Tucson Multiple N/A
520-513 Tucson Multiple N/A
520-514 Tucson Qwest Corporation N/A
520-515 Sierra Vista Qwest Corporation N/A
520-516 Tucson Qwest Corporation N/A
520-517 Sacaton Cellco Partnership 4/12/2021
520-518 Casa Grande Multiple N/A
520-519 Tucson Multiple N/A
520-520 Nogales Onvoy 9/26/2022
520-521 San Manuel Multiple 10/26/2020
520-522 Casa Blanca Multiple 6/2/2020
520-523 Sierra Vista Multiple 5/7/2020
520-524 Tucson Multiple 12/21/2020
520-525 Bisbee Multiple 5/7/2020
520-526 Tucson Multiple 4/28/2017
520-527 Benson Multiple 12/22/2020
520-528 Tucson Multiple 1/19/2015
520-529 Tucson Qwest Corporation N/A
520-530 Tucson Multiple 10/2/2020
520-531 Tucson Qwest Corporation N/A
520-532 Casa Grande Multiple 12/23/2020
520-533 Sierra Vista Qwest Corporation N/A
520-534 Tucson Multiple 1/11/2021
520-535 Tucson Multiple 12/8/2020
520-536 Douglas Multiple 12/22/2020
520-537 Tucson Multiple 3/4/2021
520-538 Sierra Vista Qwest Corporation N/A
520-539 Tucson Cellco Partnership 4/9/2014
520-540 Tucson Multiple N/A
520-541 Willcox Multiple 7/7/2021
520-542 Tucson Multiple 8/4/2021
520-543 Tucson Multiple 5/14/2021
520-544 Tucson Qwest Corporation N/A
520-545 Tucson Level 3 Telecom Of Arizona N/A
520-546 Tucson Qwest Corporation N/A
520-547 Tucson Level 3 Telecom Of Arizona N/A
520-548 Tucson New Cingular Wireless PCS 7/19/2001
520-549 Tucson Multiple N/A
520-550 Komatke Gila River Telecomm N/A
520-551 Tucson New Cingular Wireless PCS 11/19/2001
520-552 Bisbee Multiple 2/28/2021
520-553 Casa Grande Multiple 7/19/2021
520-554 Tucson New Cingular Wireless PCS 8/9/2021
520-556 Sierra Vista Multiple 8/24/2021
520-557 Tucson Multiple N/A
520-558 Portal Valley Tel Coop Inc N/A
520-559 Sierra Vista Cellco Partnership N/A
520-560 Casa Grande New Cingular Wireless PCS N/A
520-561 Tucson Multiple N/A
520-562 Sacaton Gila River Telecomm N/A
520-563 Benson Multiple 9/3/2021
520-564 Douglas Multiple 9/3/2021
520-565 Tucson New Cingular Wireless PCS 8/9/2021
520-566 Tucson Qwest Corporation N/A
520-567 Hayden Multiple 9/3/2021
520-568 Casa Grande Qwest Corporation N/A
520-569 San Manuel Multiple 9/3/2021
520-570 Tucson Multiple N/A
520-571 Tucson Multiple N/A
520-572 Tucson Qwest Corporation N/A
520-573 Tucson Qwest Corporation N/A
520-574 Tucson Qwest Corporation N/A
520-575 Tucson Qwest Corporation N/A
520-576 Tucson Multiple N/A
520-577 Tucson Qwest Corporation N/A
520-578 Tucson Qwest Corporation N/A
520-579 Tucson Qwest Corporation N/A
520-580 Superior Multiple 6/28/2021
520-581 Tombstone Multiple 9/3/2021
520-582 Casa Grande Multiple N/A
520-583 Whitlow Multiple 9/3/2021
520-584 Tucson Qwest Corporation N/A
520-585 Tucson Multiple 3/9/2016
520-586 Benson Qwest Corporation N/A
520-587 Portal New Cingular Wireless PCS 9/24/2021
520-588 Cascabel Multiple 9/24/2020
520-589 Tucson Multiple 7/29/2015
520-590 Bisbee Multiple 11/10/2021
520-591 Tucson Cellco Partnership N/A
520-592 Nogales Multiple 10/4/2021
520-593 Hayden Multiple 12/24/2020
520-594 Tucson Multiple N/A
520-595 Benson Multiple 6/5/2015
520-596 Tucson T-Mobile USA 10/26/2021
520-597 Superior Multiple 3/22/2016
520-598 Casa Grande Multiple 10/11/2021
520-599 Tucson New Cingular Wireless PCS 12/15/2014
520-600-XXXX --- 520-699-XXXX
NPANXX Area served[1] Provider[2] Date[3]
520-600 Tucson Multiple 10/10/2017
520-601 Sells Cellco Partnership 12/17/2021
520-602 Tucson Multiple 08/17/2023
520-603 Tucson Cellco Partnership N/A
520-604 Nogales Multiple N/A
520-605 Tucson Multiple 10/25/2021
520-606 Tucson Multiple 2/5/2014
520-607 Casa Grande Multiple 12/17/2021
520-608 San Manuel Multiple 1/25/2022
520-609 Tucson Cellco Partnership N/A
520-610 Sacaton Cellco Partnership N/A
520-612 Tucson Multiple 5/22/2012
520-613 Tucson Multiple 1/7/2022
520-614 Tucson Multiple 2/24/2022
520-615 Tucson Qwest Corporation N/A
520-616 Tucson Multiple N/A
520-617 Tucson Qwest Corporation N/A
520-618 Tucson Multiple N/A
520-619 Nogales Multiple 5/15/2001
520-620 Tucson Qwest Corporation N/A
520-621 Tucson Qwest Corporation N/A
520-622 Tucson Qwest Corporation N/A
520-623 Tucson Qwest Corporation N/A
520-624 Tucson Qwest Corporation N/A
520-625 Tucson Qwest Corporation N/A
520-626 Tucson Qwest Corporation N/A
520-627 Tucson Cellco Partnership 1/18/2022
520-628 Tucson Multiple N/A
520-629 Tucson Qwest Corporation N/A
520-630 Willcox Multiple 12/2/2021
520-631 Tucson T-Mobile USA N/A
520-632 Casa Grande Multiple 12/15/2021
520-633 Tucson Cellco Partnership 1/8/2022
520-634 Casa Grande Multiple 3/10/2022
520-635 Casa Grande Multiple 4/7/2015
520-636 San Manuel Multiple 9/30/2015
520-637 Casa Grande Multiple 12/23/2020
520-638 Tucson Multiple 4/28/2008
520-639 Tucson Multiple 4/17/2015
520-640 Tucson Multiple 4/15/2022
520-641 Benson Multiple 2/18/2022
520-642 Elfrida Valley Tel Coop Inc N/A
520-643 Willcox Cellco Partnership 3/28/2022
520-644 Komatke Multiple 9/24/2020
520-645 Douglas Multiple 9/30/2013
520-646 Nogales Multiple 2/18/2022
520-647 Tucson Multiple N/A
520-648 Tucson Qwest Corporation N/A
520-649 Tucson Multiple 8/10/2022
520-650 Whitlow Multiple 10/29/2020
520-651 Tucson Cellco Partnership 7/14/2022
520-652 Whitlow Multiple 3/1/2022
520-653 Tucson Multiple 7/20/2022
520-654 Sierra Vista Multiple 8/25/2022
520-655 Superior Multiple 6/2/2020
520-656 Willcox Multiple 10/27/2022
520-657 Hayden Multiple 10/4/2022
520-658 Tucson Multiple 10/24/2014
520-659 Nogales Multiple 9/15/2022
520-660 Casa Grande Multiple 9/20/2022
520-661 Tucson T-Mobile USA N/A
520-662 Tucson Qwest Corporation 6/11/2004
520-663 Tucson Qwest Corporation N/A
520-664 Tucson Multiple N/A
520-665 Tucson Multiple N/A
520-666 Casa Grande Multiple 9/12/2017
520-667 Tucson Multiple 02/13/2023
520-668 Tucson Multiple 5/8/2002
520-669 Sierra Vista MCIMetro Access Transmission Services 03/09/2023
520-670 Tucson Qwest Corporation N/A
520-671 Sierra Vista MCIMetro Access Transmission Services 03/09/2023
520-672 Sierra Vista MCIMetro Access Transmission Services 03/09/2023
520-673 Sierra Vista MCIMetro Access Transmission Services 03/09/2023
520-674 Sierra Vista MCIMetro Access Transmission Services 03/09/2023
520-675 Tucson Multiple 04/14/2023
520-676 Willcox Multiple 06/06/2025
520-677 Casa Grande Multiple 04/18/2023
520-678 Sierra Vista Cellco Partnership N/A
520-679 Tombstone Multiple 06/08/2023
520-680 Bisbee Multiple 06/22/2023
520-681 Nogales Multiple 06/26/2023
520-682 Tucson Qwest Corporation N/A
520-683 Casa Grande Multiple 08/11/2023
520-684 Sierra Vista MCIMetro Access Transmission Services 08/31/2023
520-685 Sierra Vista Multiple 6/7/2017
520-686 Benson Multiple 6/8/2004
520-687 Sierra Vista MCIMetro Access Transmission Services 08/31/2023
520-688 Casa Grande Multiple 9/15/2021
520-689 Superior Multiple N/A
520-690 Tucson Qwest Corporation N/A
520-691 Sierra Vista MCIMetro Access Transmission Services 08/31/2023
520-692 Sierra Vista MCIMetro Access Transmission Services 08/31/2023
520-693 Sierra Vista MCIMetro Access Transmission Services 08/31/2023
520-694 Tucson Level 3 Telecom Of Arizona N/A
520-695 Tucson Qwest Corporation N/A
520-696 Tucson Qwest Corporation N/A
520-697 Tucson Multiple 09/06/2023
520-698 Willcox Cellco Partnership 10/18/2023
520-699 Sierra Vista Multiple 10/15/2021
520-701-XXXX --- 520-799-XXXX
NPANXX Area served[1] Provider[2] Date[3]
520-701 Casa Grande Multiple 11/09/2023
520-702 Douglas Multiple 1/14/2022
520-703 Tucson Multiple 12/08/2023
520-704 Tucson Multiple 2/9/2010
520-705 Casa Grande Cellco Partnership N/A
520-706 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-707 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-708 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-709 Casa Grande Cellco Partnership N/A
520-710 Tucson Multiple 8/10/2022
520-712 Tucson Qwest Corporation N/A
520-713 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-714 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-715 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-716 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-717 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-718 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-719 Tucson Multiple 7/23/2015
520-720 Benson Multiple N/A
520-721 Tucson Qwest Corporation N/A
520-722 Tucson Qwest Corporation N/A
520-723 Casa Grande Qwest Corporation N/A
520-724 Tucson Multiple 2/2/2011
520-725 Sierra Vista MCIMetro Access Transmission Services 01/08/2024
520-727 Douglas Multiple 8/24/2005
520-728 Casa Grande Multiple 02/16/2024
520-729 Tucson Multiple 10/17/2014
520-730 Tucson Cellco Partnership N/A
520-731 Tucson Qwest Corporation N/A
520-732 Sierra Vista Multiple 5/15/2001
520-733 Tucson Qwest Corporation N/A
520-734 Tucson Cellco Partnership 03/01/2024
520-735 Sierra Vista Multiple 03/28/2024
520-736 Casa Grande Multiple 06/13/2024
520-737 Sierra Vista Multiple 06/17/2024
520-738 Tucson Cellco Partnership 10/22/2024
520-739 Tucson Multiple 11/14/2024
520-740 Tucson Qwest Corporation N/A
520-741 Tucson Qwest Corporation N/A
520-742 Tucson Qwest Corporation N/A
520-743 Tucson Multiple N/A
520-744 Tucson Qwest Corporation N/A
520-745 Tucson Qwest Corporation N/A
520-746 Tucson Qwest Corporation N/A
520-747 Tucson Qwest Corporation N/A
520-748 Tucson Qwest Corporation N/A
520-749 Tucson Qwest Corporation N/A
520-750 Tucson Multiple N/A
520-751 Tucson Qwest Corporation N/A
520-752 Casa Grande Multiple 01/08/2025
520-753 Tucson Cellco Partnership 01/31/2025
520-754 Sacaton Cellco Partnership 02/14/2025
520-755 Lone Butte Multiple 9/24/2020
520-756 Tucson New Cingular Wireless PCS 03/18/2025
520-757 Casa Grande Multiple 03/25/2025
520-758 Blackwater Fractel 10/19/2020
520-759 Casa Grande Multiple 9/10/2018
520-760 Tucson Qwest Corporation N/A
520-761 Nogales Qwest Corporation N/A
520-762 Tucson Multiple N/A
520-763 Casa Grande Multiple 07/11/2025
520-764 Casa Grande Multiple 10/28/2025
520-765 Casa Grande Multiple 01/09/2026
520-766 Willcox Valley Connections 12/21/2005
520-770 Tucson Multiple N/A
520-771 Tucson Multiple 12/20/2017
520-772 Superior Multiple 1/14/2022
520-775 Tucson Multiple 2/28/2014
520-777 Tucson Multiple 10/27/2004
520-779 Willcox Multiple 9/10/2018
520-780 Tucson Cellco Partnership N/A
520-783 Tucson Multiple 2/5/2019
520-784 Tucson Multiple N/A
520-785 Tucson Allo Communications 10/22/2025
520-788 Casa Grande Multiple 9/22/2014
520-789 Tucson Multiple 2/24/2012
520-790 Tucson Qwest Corporation N/A
520-791 Tucson Qwest Corporation N/A
520-792 Tucson Qwest Corporation N/A
520-793 Tucson Qwest Corporation N/A
520-794 Tucson Qwest Corporation N/A
520-795 Tucson Qwest Corporation N/A
520-796 Lone Butte Gila River Telecomm N/A
520-797 Tucson Qwest Corporation N/A
520-798 Tucson Qwest Corporation N/A
520-799 Tucson Qwest Corporation N/A
520-800-XXXX --- 520-899-XXXX
NPANXX Area served[1] Provider[2] Date[3]
520-800 Tucson Multiple 1/28/2015
520-801 Tucson Multiple 04/18/2025
520-802 Tucson Leap Telecom 10/01/2025
520-803 Sierra Vista Qwest Corporation N/A
520-805 Douglas Qwest Corporation N/A
520-806 Tucson Qwest Corporation N/A
520-807 Tucson Qwest Corporation N/A
520-808 Tucson New Cingular Wireless PCS 8/17/2001
520-809 Tucson Multiple 12/23/2014
520-812 Tucson Multiple 4/19/2011
520-815 Tucson Multiple 3/10/2015
520-818 Tucson Multiple N/A
520-820 Tucson Cellco Partnership N/A
520-822 Tucson Multiple N/A
520-823 Sasabe Multiple N/A
520-824 Sunizona Valley Tel Coop Inc N/A
520-825 Tucson Qwest Corporation N/A
520-826 Pearce Valley Tel Coop Inc N/A
520-827 Superior Multiple N/A
520-829 Tucson Multiple 8/17/2001
520-831 Prescott T-Mobile USA N/A
520-833 Tucson Multiple N/A
520-834 Tucson Multiple 10/17/2001
520-836 Casa Grande Qwest Corporation N/A
520-837 Tucson Multiple N/A
520-838 Tucson Multiple 1/26/2001
520-839 Nogales Multiple N/A
520-840 Casa Grande Cellco Partnership N/A
520-841 Nogales Multiple N/A
520-842 Nogales Onvoy N/A
520-843 Sierra Vista Onvoy N/A
520-844 Tucson Onvoy N/A
520-845 San Simon Valley Tel Coop Inc N/A
520-847 Bowie Valley Tel Coop Inc N/A
520-848 Tucson Multiple 1/19/2015
520-849 Tucson Multiple 6/15/2017
520-850 Tucson Cellco Partnership N/A
520-851 Sierra Vista Teleport Communications America 10/22/2024
520-852 Sierra Vista Teleport Communications America 10/22/2024
520-853 Sierra Vista Teleport Communications America 10/22/2024
520-854 Sierra Vista Teleport Communications America 10/22/2024
520-855 Sierra Vista Teleport Communications America 10/22/2024
520-858 Casa Grande Multiple 11/7/2007
520-860 Nogales Multiple N/A
520-861 Tucson Multiple N/A
520-866 Casa Grande Multiple 8/17/2001
520-867 Tucson Multiple 11/19/2001
520-868 Casa Grande Qwest Corporation N/A
520-869 Tucson Multiple N/A
520-870 Tucson Multiple N/A
520-872 Tucson Qwest Corporation N/A
520-873 Tucson Multiple N/A
520-874 Tucson Qwest Corporation N/A
520-876 Casa Grande Qwest Corporation N/A
520-877 Tucson Qwest Corporation N/A
520-878 Tucson Multiple N/A
520-879 Tucson Qwest Corporation N/A
520-881 Tucson Qwest Corporation N/A
520-882 Tucson Qwest Corporation N/A
520-883 Tucson Qwest Corporation N/A
520-884 Tucson Qwest Corporation N/A
520-885 Tucson Qwest Corporation N/A
520-886 Tucson Qwest Corporation N/A
520-887 Tucson Qwest Corporation N/A
520-888 Tucson Qwest Corporation N/A
520-889 Tucson Qwest Corporation N/A
520-891 Tucson T-Mobile USA N/A
520-895 Sierra Vista Multiple N/A
520-896 San Manuel Multiple N/A
520-898 Silverbell Midvale Telephone Exchange 4/2/2002
520-899 Maricopa Village Multiple 9/24/2020
520-900-XXXX --- 520-999-XXXX
NPANXX Area served[1] Provider[2] Date[3]
520-900 Tucson Multiple 8/13/2015
520-901 Tucson Multiple N/A
520-903 Tucson Multiple N/A
520-904 Tucson Cellco Partnership N/A
520-906 Tucson New Cingular Wireless PCS N/A
520-907 Tucson New Cingular Wireless PCS N/A
520-908 Tucson Multiple N/A
520-909 Tucson Cellco Partnership N/A
520-910 Tucson Multiple 2/1/2021
520-912 Tucson Multiple 10/24/2013
520-917 Tucson MCIMetro Access Transmission Services N/A
520-918 Tucson MCIMetro Access Transmission Services N/A
520-921 Sedona T-Mobile USA N/A
520-924 Nogales Multiple N/A
520-929 Willcox Multiple 2/18/2022
520-934 Tucson Multiple 4/6/2021
520-940 Tucson Multiple N/A
520-941 Sierra Vista Teleport Communications America 07/27/2023
520-942 Sierra Vista Teleport Communications America 07/27/2023
520-943 Sierra Vista Teleport Communications America 07/27/2023
520-944 Sierra Vista Teleport Communications America 07/27/2023
520-945 Sierra Vista Teleport Communications America 07/27/2023
520-949 Santa Rosa Multiple 1/14/2022
520-954 Tucson Cellco Partnership N/A
520-955 Tucson Multiple N/A
520-965 Tucson Multiple 1/2/2015
520-966 Silverbell Multiple 10/19/2020
520-971 Tucson Multiple N/A
520-975 Tucson Cellco Partnership N/A
520-977 Tucson Multiple N/A
520-979 Tucson Multiple N/A
520-980 Nogales Multiple N/A
520-981 Tucson Multiple N/A
520-982 Tucson Multiple N/A
520-987 Nogales Multiple N/A
520-988 Nogales Multiple N/A
520-989 Tucson Multiple N/A
520-990 Tucson Multiple N/A
520-991 Tucson Multiple N/A
520-993 Sells Multiple N/A
520-994 Sasabe Multiple 2/18/2022
520-999 Tucson Multiple 11/5/2012
  1. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  2. A single provider refers to the original company controlling a whole NPA-NXX block (10,000 phone numbers). With Number Pooling, NPA-NXX blocks can be split into ten 1,000 phone number blocks and handed over to other service providers (available in the USA and Puerto Rico).
  3. Assignment date. N/A: unavailable date or central office code assigned before 2001.
  4. NXX prefixes last updated: February 13, 2026

Cities in area code 520

City1 County Time zone1
Aguila Maricopa MST
Ajo Pima MST
Amado Santa Cruz MST
Arivaca Pima MST
Arizona City Pinal MST
Bapchule Pinal MST
Benson Cochise MST
Bisbee Cochise MST
Bowie Cochise MST
Casa Grande Pinal MST
Casas Adobes Pima MST
Catalina Pima MST
Catalina Foothills Pima MST
Cochise Cochise MST
Coolidge Pinal MST
Cortaro Pima MST
Douglas Cochise MST
Dragoon Cochise MST
Drexel Heights Pima MST
Elfrida Cochise MST
Elgin Santa Cruz MST
Eloy Pinal MST
Florence Pinal MST
Fort Huachuca Cochise MST
Green Valley Pima MST
Hereford Cochise MST
Huachuca City Cochise MST
Kearny Pinal MST
Lukeville Pima MST
Mammoth Pinal MST
Marana Pima MST
Maricopa Pinal MST
Mc Neal Cochise MST
Mount Lemmon Pima MST
Naco Cochise MST
Nogales Santa Cruz MST
Oracle Pinal MST
Patagonia Santa Cruz MST
Pearce Cochise MST
Picacho Pinal MST
Pirtleville Cochise MST
Pomerene Cochise MST
Red Rock Pinal MST
Rillito Pima MST
Rio Rico Santa Cruz MST
Sacaton Pinal MST
Sahuarita Pima MST
San Manuel Pinal MST
San Simon Cochise MST
Sasabe Pima MST
Sells Pima MST
Sierra Vista Cochise MST
Sonoita Santa Cruz MST
St David Cochise MST
Stanfield Pinal MST
Superior Pinal MST
Tombstone Cochise MST
Topawa Pima MST
Tubac Santa Cruz MST
Tucson Pima MST
Tumacacori Santa Cruz MST
Vail Pima MST
Valley Farms Pinal MST
Willcox Cochise MST
  1. Listed above are most places served by USA area code 520. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. MST stands for Mountain Standard Time (currently ).
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