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 684 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 .
For exact NPA boundaries see official 520 area code map
Phone number lookup
More Arizona area codes:
Locate any 520-NXX prefix:
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 520-200 | Hayden | 10/24/2002 |
| 520-201 | San Manuel | 10/24/2002 |
| 520-202 | Tucson | N/A |
| 520-203 | Tucson | 8/13/2003 |
| 520-204 | Tucson | 12/4/2003 |
| 520-205 | Tucson | N/A |
| 520-206 | Tucson | N/A |
| 520-207 | Tucson | N/A |
| 520-208 | Casa Grande | 1/8/2001 |
| 520-209 | Tucson | N/A |
| 520-210 | Tombstone | 8/20/2013 |
| 520-212 | Cascabel | N/A |
| 520-213 | Casa Grande | 6/25/2013 |
| 520-214 | Tucson | 11/19/2015 |
| 520-215 | Blackwater | N/A |
| 520-216 | Nogales | N/A |
| 520-217 | Casa Grande | 12/29/2015 |
| 520-218 | Tucson | N/A |
| 520-219 | Tucson | N/A |
| 520-220 | Sierra Vista | 5/31/2002 |
| 520-221 | Benson | 4/8/2003 |
| 520-222 | Tucson | 10/6/2011 |
| 520-223 | Nogales | 4/9/2002 |
| 520-224 | Sierra Vista | N/A |
| 520-225 | Tucson | N/A |
| 520-226 | Sierra Vista | 4/9/2002 |
| 520-227 | Sierra Vista | 5/16/2002 |
| 520-228 | Tucson | N/A |
| 520-229 | Tucson | N/A |
| 520-230 | Tucson | N/A |
| 520-231 | Whitlow | N/A |
| 520-232 | Tucson | N/A |
| 520-233 | Casa Grande | 7/23/2002 |
| 520-234 | Sierra Vista | 11/6/2002 |
| 520-235 | Tucson | N/A |
| 520-236 | Sierra Vista | 9/17/2002 |
| 520-237 | Tucson | N/A |
| 520-238 | Yuma | N/A |
| 520-239 | Tucson | N/A |
| 520-240 | Tucson | N/A |
| 520-241 | Tucson | N/A |
| 520-242 | Willcox | 10/28/2021 |
| 520-243 | Tucson | N/A |
| 520-244 | Tucson | 3/14/2016 |
| 520-245 | Tucson | N/A |
| 520-246 | Tucson | 10/30/2020 |
| 520-247 | Tucson | 1/18/2001 |
| 520-248 | Tucson | N/A |
| 520-249 | Sierra Vista | N/A |
| 520-250 | Tucson | N/A |
| 520-251 | Casa Grande | N/A |
| 520-252 | Casa Grande | N/A |
| 520-253 | Willcox | 4/8/2003 |
| 520-254 | Willcox | 4/2/2004 |
| 520-255 | Sierra Vista | 4/28/2004 |
| 520-256 | Tucson | 1/29/2001 |
| 520-257 | Tucson | 8/19/2014 |
| 520-258 | Tucson | N/A |
| 520-259 | Tucson | N/A |
| 520-260 | Tucson | N/A |
| 520-261 | Tucson | 7/16/2009 |
| 520-262 | Tucson | 2/17/2010 |
| 520-263 | Sierra Vista | 8/15/2014 |
| 520-264 | Nogales | 2/13/2001 |
| 520-265 | Benson | 8/9/2002 |
| 520-266 | Sierra Vista | 8/9/2002 |
| 520-267 | Sierra Vista | N/A |
| 520-268 | Tucson | 3/14/2013 |
| 520-269 | Tucson | 2/5/2007 |
| 520-270 | Tucson | N/A |
| 520-271 | Tucson | N/A |
| 520-272 | Tucson | N/A |
| 520-273 | Tucson | 8/19/2014 |
| 520-274 | Tucson | 9/14/2016 |
| 520-275 | Tucson | N/A |
| 520-276 | Tucson | 10/30/2014 |
| 520-277 | Whitlow | 5/8/2012 |
| 520-278 | Tucson | 8/28/2014 |
| 520-279 | Tucson | 2/18/2014 |
| 520-280 | Casa Grande | N/A |
| 520-281 | Nogales | N/A |
| 520-282 | Tucson | N/A |
| 520-283 | Tucson | 9/23/2014 |
| 520-284 | Tucson | 3/17/2009 |
| 520-285 | Nogales | N/A |
| 520-286 | Tucson | 1/11/2013 |
| 520-287 | Nogales | N/A |
| 520-288 | Tucson | 4/21/2011 |
| 520-289 | Tucson | 6/28/2006 |
| 520-290 | Tucson | N/A |
| 520-291 | Tucson | N/A |
| 520-292 | Tucson | N/A |
| 520-293 | Tucson | N/A |
| 520-294 | Tucson | N/A |
| 520-295 | Tucson | N/A |
| 520-296 | Tucson | N/A |
| 520-297 | Tucson | N/A |
| 520-298 | Tucson | N/A |
| 520-299 | Tucson | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 520-300 | Tucson | 3/22/2007 |
| 520-301 | Tucson | 5/3/2007 |
| 520-302 | Tucson | 2/12/2007 |
| 520-303 | Tucson | 1/2/2008 |
| 520-304 | Tucson | N/A |
| 520-305 | Tucson | 10/9/2007 |
| 520-306 | Tucson | 3/12/2009 |
| 520-307 | Tucson | N/A |
| 520-308 | Tucson | 9/9/2009 |
| 520-309 | Tucson | 9/30/2005 |
| 520-310 | Tucson | 9/9/2009 |
| 520-312 | Tucson | N/A |
| 520-313 | Nogales | 5/15/2001 |
| 520-314 | Tucson | 2/9/2011 |
| 520-315 | Casa Blanca | N/A |
| 520-316 | Casa Grande | N/A |
| 520-317 | Hayden | 7/13/2016 |
| 520-318 | Tucson | N/A |
| 520-319 | Tucson | N/A |
| 520-320 | Tucson | N/A |
| 520-321 | Tucson | N/A |
| 520-322 | Tucson | N/A |
| 520-323 | Tucson | N/A |
| 520-324 | Tucson | N/A |
| 520-325 | Tucson | N/A |
| 520-326 | Tucson | N/A |
| 520-327 | Tucson | N/A |
| 520-328 | Tucson | 5/14/2014 |
| 520-329 | Tucson | 6/28/2010 |
| 520-330 | Tucson | 7/6/2016 |
| 520-331 | Tucson | N/A |
| 520-332 | Tucson | 5/17/2012 |
| 520-333 | Tucson | 12/17/2010 |
| 520-334 | Tucson | 10/2/2008 |
| 520-335 | Sierra Vista | 2/12/2009 |
| 520-336 | Tucson | 2/13/2009 |
| 520-337 | Willcox | 5/5/2008 |
| 520-338 | Tucson | 10/7/2011 |
| 520-339 | Tucson | 9/12/2008 |
| 520-340 | Casa Grande | 9/1/2016 |
| 520-341 | Nogales | 12/9/2016 |
| 520-342 | Tucson | 3/8/2007 |
| 520-343 | Tucson | 5/23/2007 |
| 520-344 | Tucson | 4/24/2007 |
| 520-345 | Tucson | 1/11/2013 |
| 520-346 | Bisbee | 9/21/2018 |
| 520-347 | Tucson | N/A |
| 520-348 | Willcox | 6/22/2015 |
| 520-349 | Tucson | N/A |
| 520-350 | Casa Grande | 5/14/2008 |
| 520-351 | Tucson | 10/11/2005 |
| 520-352 | Tucson | N/A |
| 520-353 | Bisbee | 5/8/2012 |
| 520-354 | Tucson | 10/27/2016 |
| 520-355 | Tucson | 9/7/2012 |
| 520-356 | Hayden | N/A |
| 520-357 | Hayden | N/A |
| 520-358 | Tucson | 3/6/2001 |
| 520-359 | Tucson | 6/24/2014 |
| 520-360 | Tucson | N/A |
| 520-361 | Santa Rosa | N/A |
| 520-362 | West San Simon | N/A |
| 520-363 | Hayden | N/A |
| 520-364 | Douglas | N/A |
| 520-365 | Tucson | 4/24/2012 |
| 520-366 | Bisbee | N/A |
| 520-367 | Tucson | 7/13/2017 |
| 520-368 | Douglas | 11/7/2007 |
| 520-369 | Tucson | 9/28/2011 |
| 520-370 | Tucson | N/A |
| 520-371 | Casa Grande | N/A |
| 520-372 | Tucson | 8/5/2019 |
| 520-373 | Tucson | 10/31/2012 |
| 520-374 | Casa Grande | N/A |
| 520-375 | Nogales | N/A |
| 520-376 | Sierra Vista | 2/19/2019 |
| 520-377 | Nogales | N/A |
| 520-378 | Sierra Vista | N/A |
| 520-379 | Douglas | N/A |
| 520-380 | Casa Grande | 8/23/2019 |
| 520-381 | Casa Grande | N/A |
| 520-382 | Tucson | N/A |
| 520-383 | Sells | N/A |
| 520-384 | Willcox | N/A |
| 520-385 | San Manuel | N/A |
| 520-386 | Benson | 12/11/2019 |
| 520-387 | Ajo | N/A |
| 520-388 | Tucson | N/A |
| 520-389 | Tucson | 10/9/2014 |
| 520-390 | Tucson | N/A |
| 520-391 | Superior | N/A |
| 520-392 | Tucson | 12/29/2009 |
| 520-393 | Tucson | N/A |
| 520-394 | Nogales | N/A |
| 520-395 | Tucson | 5/21/2007 |
| 520-396 | Tucson | 8/24/2006 |
| 520-397 | Nogales | N/A |
| 520-398 | Tucson | N/A |
| 520-399 | Tucson | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 520-400 | Tucson | N/A |
| 520-401 | Tucson | N/A |
| 520-402 | Benson | 9/14/2016 |
| 520-403 | Tucson | N/A |
| 520-404 | Tucson | N/A |
| 520-405 | Tucson | N/A |
| 520-406 | Tucson | 4/16/2001 |
| 520-407 | Tucson | N/A |
| 520-408 | Tucson | N/A |
| 520-409 | Tucson | N/A |
| 520-410 | Tucson | N/A |
| 520-412 | Tombstone | 10/29/2018 |
| 520-413 | Casa Grande | 4/16/2001 |
| 520-414 | Casa Grande | 4/16/2001 |
| 520-415 | Nogales | 3/5/2012 |
| 520-416 | Tucson | 9/16/2019 |
| 520-417 | Sierra Vista | N/A |
| 520-418 | Stotonic | N/A |
| 520-419 | Tucson | N/A |
| 520-420 | Tucson | 12/18/2019 |
| 520-421 | Casa Grande | N/A |
| 520-422 | Bisbee | 8/13/2012 |
| 520-423 | Casa Grande | N/A |
| 520-424 | Casa Grande | N/A |
| 520-425 | Tucson | 11/3/2006 |
| 520-426 | Casa Grande | N/A |
| 520-427 | Tucson | 1/11/2013 |
| 520-428 | Tucson | 1/17/2014 |
| 520-429 | Tucson | N/A |
| 520-430 | Maricopa Village | N/A |
| 520-431 | Casa Grande | N/A |
| 520-432 | Bisbee | N/A |
| 520-433 | Tucson | 11/20/2012 |
| 520-434 | Tucson | N/A |
| 520-435 | Willcox | 05/31/2023 |
| 520-436 | Hayden | 10/3/2019 |
| 520-437 | Tucson | 3/30/2006 |
| 520-438 | Whitlow | 10/3/2019 |
| 520-439 | Sierra Vista | N/A |
| 520-440 | Tucson | N/A |
| 520-441 | Tucson | 4/20/2010 |
| 520-442 | Benson | 9/24/2012 |
| 520-443 | Tucson | 6/6/2007 |
| 520-444 | Tucson | N/A |
| 520-445 | Tucson | N/A |
| 520-446 | Tucson | N/A |
| 520-447 | Tucson | 2/28/2014 |
| 520-448 | Tucson | 4/30/2014 |
| 520-449 | Tucson | N/A |
| 520-450 | Casa Grande | N/A |
| 520-451 | Tucson | 10/28/2021 |
| 520-452 | Sierra Vista | N/A |
| 520-453 | Tombstone | 4/20/2020 |
| 520-454 | Sierra Vista | 2/13/2009 |
| 520-455 | Nogales | N/A |
| 520-456 | Sierra Vista | N/A |
| 520-457 | Tombstone | N/A |
| 520-458 | Sierra Vista | N/A |
| 520-459 | Sierra Vista | N/A |
| 520-460 | Tucson | 9/17/2012 |
| 520-461 | Tucson | N/A |
| 520-462 | Tucson | 8/17/2017 |
| 520-463 | Whitlow | N/A |
| 520-464 | Casa Grande | N/A |
| 520-465 | Tucson | N/A |
| 520-466 | Casa Grande | N/A |
| 520-467 | Tucson | 12/19/2019 |
| 520-468 | Tucson | 5/21/2008 |
| 520-469 | Tucson | N/A |
| 520-470 | Nogales | N/A |
| 520-471 | Tucson | N/A |
| 520-472 | Casa Grande | 8/26/2019 |
| 520-473 | Sierra Vista | 11/23/2020 |
| 520-474 | Tucson | 11/16/2012 |
| 520-475 | Tucson | 6/5/2020 |
| 520-476 | Tucson | 9/1/2020 |
| 520-477 | Tucson | 1/12/2011 |
| 520-478 | Ajo | 10/27/2020 |
| 520-479 | Tucson | 5/11/2020 |
| 520-481 | Tucson | N/A |
| 520-482 | Tucson | 7/1/2021 |
| 520-483 | Casa Grande | N/A |
| 520-484 | Tucson | 10/22/2012 |
| 520-485 | Tucson | 5/13/2015 |
| 520-486 | Tucson | 9/16/2020 |
| 520-487 | San Manuel | N/A |
| 520-488 | Tucson | N/A |
| 520-489 | Tucson | N/A |
| 520-490 | Tucson | N/A |
| 520-491 | Flagstaff | N/A |
| 520-492 | Tucson | 10/6/2020 |
| 520-493 | Tucson | 4/18/2019 |
| 520-494 | Casa Grande | N/A |
| 520-495 | Tucson | N/A |
| 520-496 | Tucson | 10/7/2020 |
| 520-497 | Tucson | 10/7/2020 |
| 520-498 | Tucson | N/A |
| 520-499 | Tucson | 4/19/2013 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 520-500 | Tucson | 2/26/2015 |
| 520-501 | Tucson | 10/22/2020 |
| 520-502 | Sasabe | 6/2/2020 |
| 520-503 | Willcox | 12/22/2020 |
| 520-504 | Sierra Vista | 4/2/2021 |
| 520-505 | Tucson | 7/20/2009 |
| 520-506 | Tombstone | 12/23/2020 |
| 520-507 | Willcox | N/A |
| 520-508 | Sierra Vista | N/A |
| 520-509 | Casa Grande | 5/15/2001 |
| 520-510 | Casa Grande | N/A |
| 520-512 | Tucson | N/A |
| 520-513 | Tucson | N/A |
| 520-514 | Tucson | N/A |
| 520-515 | Sierra Vista | N/A |
| 520-516 | Tucson | N/A |
| 520-517 | Sacaton | 4/12/2021 |
| 520-518 | Casa Grande | N/A |
| 520-519 | Tucson | N/A |
| 520-520 | Nogales | 9/26/2022 |
| 520-521 | San Manuel | 10/26/2020 |
| 520-522 | Casa Blanca | 6/2/2020 |
| 520-523 | Sierra Vista | 5/7/2020 |
| 520-524 | Tucson | 12/21/2020 |
| 520-525 | Bisbee | 5/7/2020 |
| 520-526 | Tucson | 4/28/2017 |
| 520-527 | Benson | 12/22/2020 |
| 520-528 | Tucson | 1/19/2015 |
| 520-529 | Tucson | N/A |
| 520-530 | Tucson | 10/2/2020 |
| 520-531 | Tucson | N/A |
| 520-532 | Casa Grande | 12/23/2020 |
| 520-533 | Sierra Vista | N/A |
| 520-534 | Tucson | 1/11/2021 |
| 520-535 | Tucson | 12/8/2020 |
| 520-536 | Douglas | 12/22/2020 |
| 520-537 | Tucson | 3/4/2021 |
| 520-538 | Sierra Vista | N/A |
| 520-539 | Tucson | 4/9/2014 |
| 520-540 | Tucson | N/A |
| 520-541 | Willcox | 7/7/2021 |
| 520-542 | Tucson | 8/4/2021 |
| 520-543 | Tucson | 5/14/2021 |
| 520-544 | Tucson | N/A |
| 520-545 | Tucson | N/A |
| 520-546 | Tucson | N/A |
| 520-547 | Tucson | N/A |
| 520-548 | Tucson | 7/19/2001 |
| 520-549 | Tucson | N/A |
| 520-550 | Komatke | N/A |
| 520-551 | Tucson | 11/19/2001 |
| 520-552 | Bisbee | 2/28/2021 |
| 520-553 | Casa Grande | 7/19/2021 |
| 520-554 | Tucson | 8/9/2021 |
| 520-556 | Sierra Vista | 8/24/2021 |
| 520-557 | Tucson | N/A |
| 520-558 | Portal | N/A |
| 520-559 | Sierra Vista | N/A |
| 520-560 | Casa Grande | N/A |
| 520-561 | Tucson | N/A |
| 520-562 | Sacaton | N/A |
| 520-563 | Benson | 9/3/2021 |
| 520-564 | Douglas | 9/3/2021 |
| 520-565 | Tucson | 8/9/2021 |
| 520-566 | Tucson | N/A |
| 520-567 | Hayden | 9/3/2021 |
| 520-568 | Casa Grande | N/A |
| 520-569 | San Manuel | 9/3/2021 |
| 520-570 | Tucson | N/A |
| 520-571 | Tucson | N/A |
| 520-572 | Tucson | N/A |
| 520-573 | Tucson | N/A |
| 520-574 | Tucson | N/A |
| 520-575 | Tucson | N/A |
| 520-576 | Tucson | N/A |
| 520-577 | Tucson | N/A |
| 520-578 | Tucson | N/A |
| 520-579 | Tucson | N/A |
| 520-580 | Superior | 6/28/2021 |
| 520-581 | Tombstone | 9/3/2021 |
| 520-582 | Casa Grande | N/A |
| 520-583 | Whitlow | 9/3/2021 |
| 520-584 | Tucson | N/A |
| 520-585 | Tucson | 3/9/2016 |
| 520-586 | Benson | N/A |
| 520-587 | Portal | 9/24/2021 |
| 520-588 | Cascabel | 9/24/2020 |
| 520-589 | Tucson | 7/29/2015 |
| 520-590 | Bisbee | 11/10/2021 |
| 520-591 | Tucson | N/A |
| 520-592 | Nogales | 10/4/2021 |
| 520-593 | Hayden | 12/24/2020 |
| 520-594 | Tucson | N/A |
| 520-595 | Benson | 6/5/2015 |
| 520-596 | Tucson | 10/26/2021 |
| 520-597 | Superior | 3/22/2016 |
| 520-598 | Casa Grande | 10/11/2021 |
| 520-599 | Tucson | 12/15/2014 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 520-600 | Tucson | 10/10/2017 |
| 520-601 | Sells | 12/17/2021 |
| 520-602 | Tucson | 08/17/2023 |
| 520-603 | Tucson | N/A |
| 520-604 | Nogales | N/A |
| 520-605 | Tucson | 10/25/2021 |
| 520-606 | Tucson | 2/5/2014 |
| 520-607 | Casa Grande | 12/17/2021 |
| 520-608 | San Manuel | 1/25/2022 |
| 520-609 | Tucson | N/A |
| 520-610 | Sacaton | N/A |
| 520-612 | Tucson | 5/22/2012 |
| 520-613 | Tucson | 1/7/2022 |
| 520-614 | Tucson | 2/24/2022 |
| 520-615 | Tucson | N/A |
| 520-616 | Tucson | N/A |
| 520-617 | Tucson | N/A |
| 520-618 | Tucson | N/A |
| 520-619 | Nogales | 5/15/2001 |
| 520-620 | Tucson | N/A |
| 520-621 | Tucson | N/A |
| 520-622 | Tucson | N/A |
| 520-623 | Tucson | N/A |
| 520-624 | Tucson | N/A |
| 520-625 | Tucson | N/A |
| 520-626 | Tucson | N/A |
| 520-627 | Tucson | 1/18/2022 |
| 520-628 | Tucson | N/A |
| 520-629 | Tucson | N/A |
| 520-630 | Willcox | 12/2/2021 |
| 520-631 | Tucson | N/A |
| 520-632 | Casa Grande | 12/15/2021 |
| 520-633 | Tucson | 1/8/2022 |
| 520-634 | Casa Grande | 3/10/2022 |
| 520-635 | Casa Grande | 4/7/2015 |
| 520-636 | San Manuel | 9/30/2015 |
| 520-637 | Casa Grande | 12/23/2020 |
| 520-638 | Tucson | 4/28/2008 |
| 520-639 | Tucson | 4/17/2015 |
| 520-640 | Tucson | 4/15/2022 |
| 520-641 | Benson | 2/18/2022 |
| 520-642 | Elfrida | N/A |
| 520-643 | Willcox | 3/28/2022 |
| 520-644 | Komatke | 9/24/2020 |
| 520-645 | Douglas | 9/30/2013 |
| 520-646 | Nogales | 2/18/2022 |
| 520-647 | Tucson | N/A |
| 520-648 | Tucson | N/A |
| 520-649 | Tucson | 8/10/2022 |
| 520-650 | Whitlow | 10/29/2020 |
| 520-651 | Tucson | 7/14/2022 |
| 520-652 | Whitlow | 3/1/2022 |
| 520-653 | Tucson | 7/20/2022 |
| 520-654 | Sierra Vista | 8/25/2022 |
| 520-655 | Superior | 6/2/2020 |
| 520-656 | Willcox | 10/27/2022 |
| 520-657 | Hayden | 10/4/2022 |
| 520-658 | Tucson | 10/24/2014 |
| 520-659 | Nogales | 9/15/2022 |
| 520-660 | Casa Grande | 9/20/2022 |
| 520-661 | Tucson | N/A |
| 520-662 | Tucson | 6/11/2004 |
| 520-663 | Tucson | N/A |
| 520-664 | Tucson | N/A |
| 520-665 | Tucson | N/A |
| 520-666 | Casa Grande | 9/12/2017 |
| 520-667 | Tucson | 02/13/2023 |
| 520-668 | Tucson | 5/8/2002 |
| 520-669 | Sierra Vista | 03/09/2023 |
| 520-670 | Tucson | N/A |
| 520-671 | Sierra Vista | 03/09/2023 |
| 520-672 | Sierra Vista | 03/09/2023 |
| 520-673 | Sierra Vista | 03/09/2023 |
| 520-674 | Sierra Vista | 03/09/2023 |
| 520-675 | Tucson | 04/14/2023 |
| 520-677 | Casa Grande | 04/18/2023 |
| 520-678 | Sierra Vista | N/A |
| 520-679 | Tombstone | 06/08/2023 |
| 520-680 | Bisbee | 06/22/2023 |
| 520-681 | Nogales | 06/26/2023 |
| 520-682 | Tucson | N/A |
| 520-683 | Casa Grande | 08/11/2023 |
| 520-684 | Sierra Vista | 08/31/2023 |
| 520-685 | Sierra Vista | 6/7/2017 |
| 520-686 | Benson | 6/8/2004 |
| 520-687 | Sierra Vista | 08/31/2023 |
| 520-688 | Casa Grande | 9/15/2021 |
| 520-689 | Superior | N/A |
| 520-690 | Tucson | N/A |
| 520-691 | Sierra Vista | 08/31/2023 |
| 520-692 | Sierra Vista | 08/31/2023 |
| 520-693 | Sierra Vista | 08/31/2023 |
| 520-694 | Tucson | N/A |
| 520-695 | Tucson | N/A |
| 520-696 | Tucson | N/A |
| 520-697 | Tucson | 09/06/2023 |
| 520-698 | Willcox | 10/18/2023 |
| 520-699 | Sierra Vista | 10/15/2021 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 520-701 | Casa Grande | 11/09/2023 |
| 520-702 | Douglas | 1/14/2022 |
| 520-703 | Tucson | 12/08/2023 |
| 520-704 | Tucson | 2/9/2010 |
| 520-705 | Casa Grande | N/A |
| 520-706 | Sierra Vista | 01/08/2024 |
| 520-707 | Sierra Vista | 01/08/2024 |
| 520-708 | Sierra Vista | 01/08/2024 |
| 520-709 | Casa Grande | N/A |
| 520-710 | Tucson | 8/10/2022 |
| 520-712 | Tucson | N/A |
| 520-713 | Sierra Vista | 01/08/2024 |
| 520-714 | Sierra Vista | 01/08/2024 |
| 520-715 | Sierra Vista | 01/08/2024 |
| 520-716 | Sierra Vista | 01/08/2024 |
| 520-717 | Sierra Vista | 01/08/2024 |
| 520-718 | Sierra Vista | 01/08/2024 |
| 520-719 | Tucson | 7/23/2015 |
| 520-720 | Benson | N/A |
| 520-721 | Tucson | N/A |
| 520-722 | Tucson | N/A |
| 520-723 | Casa Grande | N/A |
| 520-724 | Tucson | 2/2/2011 |
| 520-725 | Sierra Vista | 01/08/2024 |
| 520-727 | Douglas | 8/24/2005 |
| 520-728 | Casa Grande | 02/16/2024 |
| 520-729 | Tucson | 10/17/2014 |
| 520-730 | Tucson | N/A |
| 520-731 | Tucson | N/A |
| 520-732 | Sierra Vista | 5/15/2001 |
| 520-733 | Tucson | N/A |
| 520-734 | Tucson | 03/01/2024 |
| 520-735 | Sierra Vista | 03/28/2024 |
| 520-736 | Casa Grande | 06/13/2024 |
| 520-737 | Sierra Vista | 06/17/2024 |
| 520-738 | Tucson | 10/22/2024 |
| 520-739 | Tucson | 11/14/2024 |
| 520-740 | Tucson | N/A |
| 520-741 | Tucson | N/A |
| 520-742 | Tucson | N/A |
| 520-743 | Tucson | N/A |
| 520-744 | Tucson | N/A |
| 520-745 | Tucson | N/A |
| 520-746 | Tucson | N/A |
| 520-747 | Tucson | N/A |
| 520-748 | Tucson | N/A |
| 520-749 | Tucson | N/A |
| 520-750 | Tucson | N/A |
| 520-751 | Tucson | N/A |
| 520-752 | Casa Grande | 01/08/2025 |
| 520-753 | Tucson | 01/31/2025 |
| 520-754 | Sacaton | 02/14/2025 |
| 520-755 | Lone Butte | 9/24/2020 |
| 520-758 | Blackwater | 10/19/2020 |
| 520-759 | Casa Grande | 9/10/2018 |
| 520-760 | Tucson | N/A |
| 520-761 | Nogales | N/A |
| 520-762 | Tucson | N/A |
| 520-766 | Willcox | 12/21/2005 |
| 520-770 | Tucson | N/A |
| 520-771 | Tucson | 12/20/2017 |
| 520-772 | Superior | 1/14/2022 |
| 520-775 | Tucson | 2/28/2014 |
| 520-777 | Tucson | 10/27/2004 |
| 520-779 | Willcox | 9/10/2018 |
| 520-780 | Tucson | N/A |
| 520-783 | Tucson | 2/5/2019 |
| 520-784 | Tucson | N/A |
| 520-788 | Casa Grande | 9/22/2014 |
| 520-789 | Tucson | 2/24/2012 |
| 520-790 | Tucson | N/A |
| 520-791 | Tucson | N/A |
| 520-792 | Tucson | N/A |
| 520-793 | Tucson | N/A |
| 520-794 | Tucson | N/A |
| 520-795 | Tucson | N/A |
| 520-796 | Lone Butte | N/A |
| 520-797 | Tucson | N/A |
| 520-798 | Tucson | N/A |
| 520-799 | Tucson | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 520-800 | Tucson | 1/28/2015 |
| 520-803 | Sierra Vista | N/A |
| 520-805 | Douglas | N/A |
| 520-806 | Tucson | N/A |
| 520-807 | Tucson | N/A |
| 520-808 | Tucson | 8/17/2001 |
| 520-809 | Tucson | 12/23/2014 |
| 520-812 | Tucson | 4/19/2011 |
| 520-815 | Tucson | 3/10/2015 |
| 520-818 | Tucson | N/A |
| 520-820 | Tucson | N/A |
| 520-822 | Tucson | N/A |
| 520-823 | Sasabe | N/A |
| 520-824 | Sunizona | N/A |
| 520-825 | Tucson | N/A |
| 520-826 | Pearce | N/A |
| 520-827 | Superior | N/A |
| 520-829 | Tucson | 8/17/2001 |
| 520-831 | Prescott | N/A |
| 520-833 | Tucson | N/A |
| 520-834 | Tucson | 10/17/2001 |
| 520-836 | Casa Grande | N/A |
| 520-837 | Tucson | N/A |
| 520-838 | Tucson | 1/26/2001 |
| 520-839 | Nogales | N/A |
| 520-840 | Casa Grande | N/A |
| 520-841 | Nogales | N/A |
| 520-842 | Nogales | N/A |
| 520-843 | Sierra Vista | N/A |
| 520-844 | Tucson | N/A |
| 520-845 | San Simon | N/A |
| 520-847 | Bowie | N/A |
| 520-848 | Tucson | 1/19/2015 |
| 520-849 | Tucson | 6/15/2017 |
| 520-850 | Tucson | N/A |
| 520-851 | Sierra Vista | 10/22/2024 |
| 520-852 | Sierra Vista | 10/22/2024 |
| 520-853 | Sierra Vista | 10/22/2024 |
| 520-854 | Sierra Vista | 10/22/2024 |
| 520-855 | Sierra Vista | 10/22/2024 |
| 520-858 | Casa Grande | 11/7/2007 |
| 520-860 | Nogales | N/A |
| 520-861 | Tucson | N/A |
| 520-866 | Casa Grande | 8/17/2001 |
| 520-867 | Tucson | 11/19/2001 |
| 520-868 | Casa Grande | N/A |
| 520-869 | Tucson | N/A |
| 520-870 | Tucson | N/A |
| 520-872 | Tucson | N/A |
| 520-873 | Tucson | N/A |
| 520-874 | Tucson | N/A |
| 520-876 | Casa Grande | N/A |
| 520-877 | Tucson | N/A |
| 520-878 | Tucson | N/A |
| 520-879 | Tucson | N/A |
| 520-881 | Tucson | N/A |
| 520-882 | Tucson | N/A |
| 520-883 | Tucson | N/A |
| 520-884 | Tucson | N/A |
| 520-885 | Tucson | N/A |
| 520-886 | Tucson | N/A |
| 520-887 | Tucson | N/A |
| 520-888 | Tucson | N/A |
| 520-889 | Tucson | N/A |
| 520-891 | Tucson | N/A |
| 520-895 | Sierra Vista | N/A |
| 520-896 | San Manuel | N/A |
| 520-898 | Silverbell | 4/2/2002 |
| 520-899 | Maricopa Village | 9/24/2020 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 520-900 | Tucson | 8/13/2015 |
| 520-901 | Tucson | N/A |
| 520-903 | Tucson | N/A |
| 520-904 | Tucson | N/A |
| 520-906 | Tucson | N/A |
| 520-907 | Tucson | N/A |
| 520-908 | Tucson | N/A |
| 520-909 | Tucson | N/A |
| 520-910 | Tucson | 2/1/2021 |
| 520-912 | Tucson | 10/24/2013 |
| 520-917 | Tucson | N/A |
| 520-918 | Tucson | N/A |
| 520-921 | Sedona | N/A |
| 520-924 | Nogales | N/A |
| 520-929 | Willcox | 2/18/2022 |
| 520-930 | Tucson | N/A |
| 520-934 | Tucson | 4/6/2021 |
| 520-940 | Tucson | N/A |
| 520-941 | Sierra Vista | 07/27/2023 |
| 520-942 | Sierra Vista | 07/27/2023 |
| 520-943 | Sierra Vista | 07/27/2023 |
| 520-944 | Sierra Vista | 07/27/2023 |
| 520-945 | Sierra Vista | 07/27/2023 |
| 520-949 | Santa Rosa | 1/14/2022 |
| 520-954 | Tucson | N/A |
| 520-955 | Tucson | N/A |
| 520-965 | Tucson | 1/2/2015 |
| 520-966 | Silverbell | 10/19/2020 |
| 520-971 | Tucson | N/A |
| 520-975 | Tucson | N/A |
| 520-977 | Tucson | N/A |
| 520-979 | Tucson | N/A |
| 520-980 | Nogales | N/A |
| 520-981 | Tucson | N/A |
| 520-982 | Tucson | N/A |
| 520-987 | Nogales | N/A |
| 520-988 | Nogales | N/A |
| 520-989 | Tucson | N/A |
| 520-990 | Tucson | N/A |
| 520-991 | Tucson | N/A |
| 520-993 | Sells | N/A |
| 520-994 | Sasabe | 2/18/2022 |
| 520-999 | Tucson | 11/5/2012 |
- 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.
- Assignment date. N/A - mostly central office codes assigned before 2001.
- NXX prefixes last updated: March 1st, 2025
Cities in area code 520
| City1 | County | Time Zone2 |
|---|---|---|
| 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 |
- 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.
- MST stands for Mountain Standard Time (currently ).