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

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Area code 623 is in Arizona, USA , spanning 2 counties and serving 38 cities , including Phoenix, Glendale or Tempe; it currently uses 309 prefixes , assigned from 623-200-XXXX through 623-999-XXXX.

In service since March 01, 1999, area code 623 is an overlay Numbering Plan Area, part of overlay complex 480/602/623.

The current local time is .

623 area code location on a map
© OpenStreetMap contributorsFor exact NPA boundaries see official 623 area code map

Phone number lookup

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More Arizona area codes:

  • 480
  • 520
  • 602
  • 928

Locate any 623-NXX prefix:

623-200-XXXX --- 623-299-XXXX
NPANXX Carrier1 Area Served2 Date3
623-200 Onvoy Phoenix 10/27/2015
623-201 MCIMetro Access Transmission Services Phoenix 7/11/2008
623-202 T-Mobile USA Phoenix 2/14/2001
623-203 New Cingular Wireless PCS Phoenix 1/18/2001
623-204 New Cingular Wireless PCS Phoenix 3/7/2001
623-205 New Cingular Wireless PCS Phoenix 3/7/2001
623-206 New Cingular Wireless PCS Phoenix 3/7/2001
623-207 Qwest Corporation Phoenix 6/5/2008
623-208 Cellco Partnership Phoenix 6/3/2008
623-209 Electric Lightwave Phoenix N/A
623-210 T-Mobile USA Phoenix N/A
623-212 T-Mobile USA Phoenix 01/11/2023
623-213 T-Mobile USA Phoenix 3/22/2016
623-214 Qwest Corporation Phoenix N/A
623-215 Paetec Itel Phoenix 3/21/2001
623-216 MetroPCS Phoenix 9/19/2014
623-217 T-Mobile USA Phoenix N/A
623-218 MCIMetro Access Transmission Services Phoenix N/A
623-219 MetroPCS Phoenix 1/19/2015
623-220 Onvoy Phoenix 02/23/2024
623-221 T-Mobile USA Phoenix N/A
623-222 Qwest Corporation Phoenix 3/29/2007
623-223 New Cingular Wireless PCS Phoenix 6/30/2009
623-224 New Cingular Wireless PCS Phoenix 2/13/2009
623-225 New Cingular Wireless PCS Phoenix 3/7/2002
623-226 MetroPCS Phoenix 3/9/2016
623-227 Bandwidth.com Clec Phoenix 11/13/2014
623-228 AT&T Phoenix 6/26/2015
623-229 New Cingular Wireless PCS Phoenix 7/17/2001
623-230 T-Mobile USA Phoenix 4/21/2016
623-231 Level 3 Communications Phoenix 3/29/2018
623-232 Qwest Corporation Phoenix 10/19/2016
623-233 Cellco Partnership Phoenix 10/21/2016
623-234 Qwest Corporation Phoenix 12/31/2007
623-235 Qwest Corporation Phoenix 5/10/2016
623-236 Cellco Partnership Phoenix 3/22/2007
623-237 Cellco Partnership Phoenix 6/21/2007
623-238 Cellco Partnership Phoenix 8/24/2006
623-239 T-Mobile USA Phoenix 9/7/2007
623-240 MCIMetro Access Transmission Services Phoenix 6/15/2009
623-241 New Cingular Wireless PCS Phoenix 2/23/2007
623-242 Level 3 Communications Phoenix 1/5/2006
623-243 Cellco Partnership Phoenix 2/5/2007
623-244 Onvoy Phoenix 8/24/2018
623-245 Qwest Corporation Phoenix N/A
623-246 MetroPCS Phoenix 1/14/2019
623-247 Qwest Corporation Phoenix N/A
623-248 Qwest Corporation Phoenix 2/14/2019
623-249 Cellco Partnership Phoenix 5/23/2007
623-250 Bandwidth.com Clec Phoenix 2/13/2020
623-251 Cellco Partnership Phoenix 9/5/2007
623-252 Level 3 Communications Phoenix 9/7/2007
623-253 Level 3 Communications Phoenix 1/7/2020
623-254 MetroPCS Phoenix 3/5/2020
623-255 T-Mobile USA Phoenix 3/16/2007
623-256 Comcast IP Phone Phoenix 7/14/2004
623-257 Bandwidth.com Clec Phoenix 6/19/2020
623-258 Cellco Partnership Phoenix 9/9/2009
623-259 Level 3 Communications Phoenix 6/14/2019
623-260 Onvoy Phoenix 07/17/2024
623-261 T-Mobile USA Phoenix N/A
623-262 Cellco Partnership Phoenix 1/19/2006
623-263 Onvoy Phoenix 12/19/2019
623-264 T-Mobile USA Phoenix 9/15/2020
623-265 Centurylink Communications Phoenix 9/8/2020
623-266 Comcast IP Phone Phoenix N/A
623-267 Ton80 Communications Phoenix 11/18/2020
623-268 T-Mobile USA Phoenix 3/25/2021
623-269 Comcast IP Phone Phoenix 12/9/2020
623-270 Comcast IP Phone Phoenix 3/30/2021
623-271 Cellco Partnership Phoenix 9/27/2006
623-272 T-Mobile USA Phoenix 12/10/2020
623-273 T-Mobile USA Phoenix 7/1/2021
623-274 Level 3 Communications Phoenix 10/7/2021
623-275 T-Mobile USA Phoenix 9/14/2021
623-276 T-Mobile USA Phoenix 4/22/2022
623-277 New Cingular Wireless PCS Phoenix 7/19/2010
623-278 Telnyx Phoenix 10/4/2021
623-279 Onvoy Spectrum Phoenix 11/12/2021
623-280 T-Mobile USA Phoenix 12/2/2021
623-281 T-Mobile USA Phoenix 1/13/2022
623-282 MCIMetro Access Transmission Services Phoenix 10/4/2011
623-283 Onvoy Phoenix 4/11/2022
623-284 T-Mobile USA Phoenix 2/22/2022
623-285 Qwest Corporation Phoenix 5/21/2015
623-286 T-Mobile USA Phoenix 7/14/2022
623-287 Commio Phoenix 6/14/2022
623-288 Onvoy Phoenix 2/22/2022
623-289 Bandwidth.com Clec Phoenix 1/17/2018
623-290 T-Mobile USA Phoenix 11/23/2022
623-291 Nuso Phoenix 9/21/2022
623-292 MetroPCS Phoenix 9/2/2020
623-293 AT&T Phoenix N/A
623-294 Onvoy Phoenix 7/15/2022
623-295 Bandwidth.com Clec Phoenix 7/22/2011
623-296 T-Mobile USA Phoenix 3/27/2015
623-297 T-Mobile USA Phoenix N/A
623-298 MCIMetro Access Transmission Services Phoenix N/A
623-299 MCIMetro Access Transmission Services Phoenix 5/3/2012
623-300-XXXX --- 623-399-XXXX
NPANXX Carrier1 Area Served2 Date3
623-300 Onvoy Phoenix 8/12/2015
623-301 Cellco Partnership Phoenix 9/23/2022
623-302 Cellco Partnership Phoenix 10/9/2007
623-303 Onvoy Phoenix 11/9/2020
623-304 Onvoy Phoenix 6/3/2022
623-305 New Cingular Wireless PCS Phoenix 03/09/2023
623-306 Onvoy Spectrum Phoenix 10/27/2022
623-307 Allo Communications Phoenix 04/18/2023
623-308 Teleport Communications America Phoenix N/A
623-309 Onvoy Spectrum Phoenix 06/12/2023
623-312 Comcast IP Phone Phoenix N/A
623-313 New Cingular Wireless PCS Phoenix 4/6/2006
623-320 T-Mobile USA Phoenix 9/20/2022
623-321 Onvoy Phoenix N/A
623-322 Comcast IP Phone Phoenix N/A
623-323 Onvoy Phoenix 2/20/2020
623-324 Onvoy Spectrum Phoenix 8/31/2022
623-326 T-Mobile USA Phoenix N/A
623-327 Qwest Corporation Phoenix N/A
623-328 Qwest Corporation Phoenix N/A
623-329 New Cingular Wireless PCS Phoenix 10/24/2001
623-330 T-Mobile USA Phoenix N/A
623-332 T-Mobile USA Phoenix N/A
623-333 Qwest Corporation Phoenix 8/29/2006
623-334 Qwest Corporation Phoenix N/A
623-335 Bandwidth.com Clec Phoenix 7/6/2011
623-336 New Cingular Wireless PCS Phoenix 4/5/2010
623-337 Teleport Communications America Phoenix N/A
623-340 T-Mobile USA Phoenix N/A
623-341 T-Mobile USA Phoenix N/A
623-343 Onvoy Phoenix 9/1/2022
623-344 Electric Lightwave Phoenix N/A
623-349 Electric Lightwave Phoenix N/A
623-352 Onvoy Phoenix 10/4/2022
623-356 Fractel Phoenix 9/24/2020
623-362 Qwest Corporation Phoenix N/A
623-363 New Cingular Wireless PCS Phoenix N/A
623-374 Qwest Corporation Phoenix N/A
623-376 Qwest Corporation Phoenix N/A
623-377 Cellco Partnership Phoenix 3/6/2002
623-383 Onvoy Phoenix 4/27/2012
623-385 Level 3 Telecom Of Arizona Phoenix N/A
623-386 Qwest Corporation Phoenix N/A
623-387 New Cingular Wireless PCS Phoenix 3/29/2011
623-388 Qwest Corporation Phoenix N/A
623-393 Qwest Corporation Phoenix N/A
623-396 New Cingular Wireless PCS Phoenix 9/1/2011
623-398 Xo Arizona Phoenix N/A
623-399 T-Mobile USA Phoenix N/A
623-400-XXXX --- 623-499-XXXX
NPANXX Carrier1 Area Served2 Date3
623-400 Fractel Phoenix 7/14/2020
623-401 Onvoy Phoenix 11/1/2018
623-404 Centurylink Communications Phoenix 4/28/2017
623-412 Qwest Corporation Phoenix N/A
623-414 Electric Lightwave Phoenix 9/12/2006
623-418 New Cingular Wireless PCS Phoenix 10/24/2001
623-419 New Cingular Wireless PCS Phoenix 1/30/2012
623-428 Bandwidth.com Clec Phoenix 10/20/2010
623-432 T-Mobile USA Phoenix 10/2/2009
623-433 T-Mobile USA Phoenix 9/21/2005
623-434 Qwest Corporation Phoenix N/A
623-435 Qwest Corporation Phoenix N/A
623-439 Onvoy Spectrum Phoenix 7/13/2017
623-440 Comcast IP Phone Phoenix 5/25/2018
623-444 Teleport Communications America Phoenix N/A
623-445 Qwest Corporation Phoenix N/A
623-451 T-Mobile USA Phoenix N/A
623-455 Level 3 Communications Phoenix 12/27/2004
623-456 Dish Wireless Phoenix 05/05/2025
623-462 Onvoy Phoenix 9/1/2022
623-463 Qwest Corporation Phoenix N/A
623-465 Qwest Corporation Phoenix N/A
623-466 Comcast IP Phone Phoenix N/A
623-469 Bandwidth.com Clec Phoenix 4/27/2017
623-471 Qwest Corporation Phoenix 8/26/2019
623-473 Cellco Partnership Phoenix 10/2/2018
623-474 Qwest Corporation Phoenix N/A
623-476 MCIMetro Access Transmission Services Phoenix N/A
623-478 Qwest Corporation Phoenix N/A
623-486 Qwest Corporation Phoenix N/A
623-487 Qwest Corporation Phoenix N/A
623-492 Qwest Corporation Phoenix N/A
623-498 New Cingular Wireless PCS Phoenix 4/16/2010
623-499 MCIMetro Access Transmission Services Phoenix 6/15/2015
623-500-XXXX --- 623-594-XXXX
NPANXX Carrier1 Area Served2 Date3
623-500 Onvoy Phoenix 2/5/2013
623-505 Level 3 Communications Phoenix N/A
623-512 Electric Lightwave Phoenix N/A
623-516 Qwest Corporation Phoenix N/A
623-518 MCIMetro Access Transmission Services Phoenix N/A
623-521 T-Mobile USA Phoenix N/A
623-522 MetroPCS Phoenix 5/29/2015
623-523 Qwest Corporation Phoenix N/A
623-524 Qwest Corporation Phoenix 7/6/2010
623-526 Onvoy Phoenix 3/21/2019
623-533 T-Mobile USA Phoenix N/A
623-535 Qwest Corporation Phoenix N/A
623-536 Qwest Corporation Phoenix N/A
623-537 Qwest Corporation Phoenix N/A
623-544 Qwest Corporation Phoenix N/A
623-546 Qwest Corporation Phoenix N/A
623-547 Qwest Corporation Phoenix N/A
623-551 Qwest Corporation Phoenix N/A
623-552 T-Mobile USA Phoenix 7/23/2008
623-556 Qwest Corporation Phoenix N/A
623-561 Qwest Corporation Phoenix N/A
623-562 Comcast IP Phone Phoenix N/A
623-565 Electric Lightwave Phoenix 6/27/2007
623-566 Qwest Corporation Phoenix N/A
623-570 T-Mobile USA Phoenix N/A
623-572 Qwest Corporation Phoenix N/A
623-580 Qwest Corporation Phoenix N/A
623-581 Qwest Corporation Phoenix N/A
623-582 Qwest Corporation Phoenix N/A
623-583 Qwest Corporation Phoenix N/A
623-584 Qwest Corporation Phoenix N/A
623-587 Qwest Corporation Phoenix N/A
623-594 Comcast IP Phone Phoenix N/A
623-600-XXXX --- 623-698-XXXX
NPANXX Carrier1 Area Served2 Date3
623-600 Fractel Phoenix 9/13/2019
623-606 New Cingular Wireless PCS Phoenix N/A
623-624 Onvoy Phoenix 8/12/2021
623-628 T-Mobile USA Phoenix N/A
623-632 Onvoy Spectrum Phoenix 6/22/2020
623-633 Cellco Partnership Phoenix 1/15/2015
623-640 Cellco Partnership Phoenix N/A
623-643 Qwest Corporation Phoenix N/A
623-663 Onvoy Phoenix 3/5/2020
623-666 Onvoy Phoenix 11/19/2012
623-670 Cellco Partnership Phoenix N/A
623-680 Cellco Partnership Phoenix N/A
623-683 Comcast IP Phone Phoenix 10/24/2017
623-687 MCIMetro Access Transmission Services Phoenix N/A
623-688 Cellco Partnership Phoenix N/A
623-691 Qwest Corporation Phoenix N/A
623-692 Cellco Partnership Phoenix 10/14/2002
623-693 Cellco Partnership Phoenix 10/14/2002
623-694 Cellco Partnership Phoenix N/A
623-695 Cellco Partnership Phoenix N/A
623-696 Cellco Partnership Phoenix 10/14/2002
623-698 Cellco Partnership Phoenix 10/14/2002
623-703-XXXX --- 623-792-XXXX
NPANXX Carrier1 Area Served2 Date3
623-703 T-Mobile USA Phoenix N/A
623-707 Teleport Communications America Phoenix N/A
623-715 Teleport Communications America Phoenix N/A
623-734 MCIMetro Access Transmission Services Phoenix N/A
623-738 Level 3 Communications Phoenix 5/19/2009
623-742 Qwest Corporation Phoenix N/A
623-745 MCIMetro Access Transmission Services Phoenix 9/28/2015
623-748 Level 3 Communications Phoenix 4/19/2002
623-755 New Cingular Wireless PCS Phoenix 9/9/2008
623-759 MCIMetro Access Transmission Services Phoenix 2/11/2015
623-760 Teleport Communications America Phoenix N/A
623-764 MetroPCS Phoenix N/A
623-772 Qwest Corporation Phoenix N/A
623-773 Qwest Corporation Phoenix N/A
623-776 Qwest Corporation Phoenix N/A
623-777 Peerless Network Of Arizona Phoenix 3/5/2012
623-780 Qwest Corporation Phoenix N/A
623-792 Level 3 Telecom Of Arizona Phoenix N/A
623-800-XXXX --- 623-889-XXXX
NPANXX Carrier1 Area Served2 Date3
623-800 Onvoy Phoenix 10/24/2013
623-806 Gila Local Exchange Carrier Phoenix 8/26/2008
623-810 Cellco Partnership Phoenix N/A
623-815 Qwest Corporation Phoenix N/A
623-824 Teleport Communications America Phoenix N/A
623-825 Qwest Corporation Phoenix N/A
623-826 Cellco Partnership Phoenix 6/17/2002
623-832 Qwest Corporation Phoenix 7/6/2010
623-842 Qwest Corporation Phoenix N/A
623-845 Qwest Corporation Phoenix N/A
623-846 Qwest Corporation Phoenix N/A
623-847 Qwest Corporation Phoenix N/A
623-848 Qwest Corporation Phoenix N/A
623-849 Qwest Corporation Phoenix N/A
623-850 Electric Lightwave Phoenix N/A
623-853 Qwest Corporation Phoenix N/A
623-856 Qwest Corporation Phoenix N/A
623-866 Qwest Corporation Phoenix N/A
623-869 Qwest Corporation Phoenix N/A
623-872 Qwest Corporation Phoenix N/A
623-873 Qwest Corporation Phoenix N/A
623-875 Qwest Corporation Phoenix N/A
623-876 Qwest Corporation Phoenix 4/24/2001
623-877 Qwest Corporation Phoenix N/A
623-878 Qwest Corporation Phoenix N/A
623-879 Qwest Corporation Phoenix N/A
623-882 Qwest Corporation Phoenix N/A
623-887 Onvoy Phoenix 4/21/2021
623-888 Peerless Network Of Arizona Phoenix 5/23/2012
623-889 Electric Lightwave Phoenix N/A
623-900-XXXX --- 623-999-XXXX
NPANXX Carrier1 Area Served2 Date3
623-900 Onvoy Phoenix 2/17/2015
623-907 Qwest Corporation Phoenix N/A
623-910 Cellco Partnership Phoenix N/A
623-915 Qwest Corporation Phoenix N/A
623-920 Onvoy Phoenix 2/3/2021
623-925 Qwest Corporation Phoenix N/A
623-930 Qwest Corporation Phoenix N/A
623-931 Qwest Corporation Phoenix N/A
623-932 Qwest Corporation Phoenix N/A
623-933 Qwest Corporation Phoenix N/A
623-934 Qwest Corporation Phoenix N/A
623-935 Qwest Corporation Phoenix N/A
623-936 Qwest Corporation Phoenix N/A
623-937 Qwest Corporation Phoenix N/A
623-939 Qwest Corporation Phoenix N/A
623-955 Allo Communications Phoenix 10/22/2025
623-972 Qwest Corporation Phoenix N/A
623-974 Qwest Corporation Phoenix N/A
623-975 Qwest Corporation Phoenix N/A
623-977 Qwest Corporation Phoenix N/A
623-979 Qwest Corporation Phoenix N/A
623-980 Cellco Partnership Phoenix 10/9/2001
623-986 Cellco Partnership Phoenix 11/3/2006
623-999 Onvoy Phoenix 9/26/2013
  1. NPA-NXX assigned carrier; with Number Pooling thousand block numbers are often assigned to other carriers as well; moreover, phone numbers can be ported between service providers
  2. 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.
  3. Assignment date. N/A - mostly central office codes assigned before 2001.
  4. NXX prefixes last updated: November 22, 2025

Cities in area code 623

City1 County Time Zone1
Apache Junction Pinal MST
Arlington Maricopa MST
Avondale Maricopa MST
Buckeye Maricopa MST
Carefree Maricopa MST
Cashion Maricopa MST
Cave Creek Maricopa MST
Chandler Maricopa MST
Chandler Heights Maricopa MST
El Mirage Maricopa MST
Fort McDowell Maricopa MST
Fountain Hills Maricopa MST
Gilbert Maricopa MST
Glendale Maricopa MST
Glendale Luke Afb Maricopa MST
Goodyear Maricopa MST
Higley Maricopa MST
Litchfield Park Maricopa MST
Mesa Maricopa MST
Morristown Maricopa MST
New River Maricopa MST
Palo Verde Maricopa MST
Paradise Valley Maricopa MST
Peoria Maricopa MST
Phoenix Maricopa MST
Queen Creek Maricopa MST
Rio Verde Maricopa MST
Scottsdale Maricopa MST
Sun City Maricopa MST
Sun City West Maricopa MST
Surprise Maricopa MST
Tempe Maricopa MST
Tolleson Maricopa MST
Tonopah Maricopa MST
Tortilla Flat Maricopa MST
Waddell Maricopa MST
Wittmann Maricopa MST
Youngtown Maricopa MST
  1. Listed above are most places served by USA area code 623. 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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Tag » Code Regional 623