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623 Area Code

ArizonaMarch 29, 2018
Area Code: 623
State/Region: Arizona
Major Cities: Phoenix
Time Zone: Arizona
Current Time: 5:13 AM
Date Assigned: 1/11/1999
In Service Since: 3/1/1999
Overlay?: No
Overlay Complex:
Local Call Dialing: 7D
Toll Call Dialing: 1+10D

Nxx Exchange

location

Company

Assigned
623-201PHOENIX, AZXO ARIZONA, INC.2008-07-11
623-202PHOENIX, AZSPRINT SPECTRUM L.P.2001-02-14
623-203PHOENIX, AZNEW CINGULAR WIRELESS PCS, LLC2001-01-18
623-204PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2001-03-07
623-205PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2001-03-07
623-206PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2001-03-07
623-207PHOENIX, AZQWEST CORPORATION2008-06-05
623-208PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2008-06-03
623-209PHOENIX, AZESCHELON TELECOM OF ARIZONA, INC. - AZ
623-210PHOENIX, AZSPRINT SPECTRUM L.P.
623-211
623-212PHOENIX, AZAMERICAN MESSAGING SERVICES, LLC
623-214PHOENIX, AZQWEST CORPORATION
623-215PHOENIX, AZMCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ2001-03-21
623-217PHOENIX, AZSPRINT SPECTRUM L.P.
623-218PHOENIX, AZALLEGIANCE TELECOM OF ARIZONA, INC.
623-220
623-221PHOENIX, AZSPRINT SPECTRUM L.P.
623-222PHOENIX, AZQWEST CORPORATION2007-03-29
623-223PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2009-06-30
623-224PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2009-02-13
623-225PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2002-03-07
623-229PHOENIX, AZNEW CINGULAR WIRELESS PCS, LLC2001-07-17
623-234PHOENIX, AZQWEST CORPORATION2007-12-31
623-236PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2007-03-22
623-237PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2007-06-21
623-238PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2006-08-24
623-239PHOENIX, AZT-MOBILE USA, INC.2007-09-07
623-240PHOENIX, AZXO ARIZONA, INC.2009-06-15
623-241PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2007-02-23
623-242PHOENIX, AZLEVEL 3 COMMUNICATIONS, LLC - AZ2006-01-05
623-243PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2007-02-05
623-245PHOENIX, AZQWEST CORPORATION
623-247PHOENIX, AZQWEST CORPORATION
623-249PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2007-05-23
623-251PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2007-09-05
623-252PHOENIX, AZLEVEL 3 COMMUNICATIONS, LLC - AZ2007-09-07
623-255PHOENIX, AZSPRINT SPECTRUM L.P.2007-03-16
623-256PHOENIX, AZCOX ARIZONA TELCOM, INC. - AZ2004-07-14
623-258PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2009-09-09
623-260QWEST CORPORATION
623-261PHOENIX, AZSPRINT SPECTRUM L.P.
623-262PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2006-01-19
623-266PHOENIX, AZCOX ARIZONA TELCOM, INC. - AZ2002-07-17
623-271PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2006-09-27
623-277PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2010-07-19
623-282PHOENIX, AZMCIMETRO ACCESS TRANSMISSION SERVICES LLC2011-10-04
623-293PHOENIX, AZAT&T LOCAL
623-295PHOENIX, AZBANDWIDTH.COM CLEC, LLC - AZ2011-07-22
623-297PHOENIX, AZSPRINT SPECTRUM L.P.
623-298PHOENIX, AZXO ARIZONA, INC.
623-302PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2007-10-09
623-308PHOENIX, AZTELEPORT COMMUNICATIONS GROUP - PHOENIX
623-311
623-313PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2006-04-06
623-321PHOENIX, AZPAC - WEST TELECOMM, INC. - AZ
623-322PHOENIX, AZCOX ARIZONA TELCOM, INC. - AZ
623-326PHOENIX, AZT-MOBILE USA, INC.
623-327PHOENIX, AZQWEST CORPORATION
623-328PHOENIX, AZQWEST CORPORATION
623-329PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2001-10-24
623-330PHOENIX, AZT-MOBILE USA, INC.
623-332PHOENIX, AZT-MOBILE USA, INC.
623-333PHOENIX, AZQWEST CORPORATION2006-08-29
623-334PHOENIX, AZQWEST CORPORATION
623-335PHOENIX, AZELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ2011-07-06
623-336PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2010-04-05
623-337PHOENIX, AZTELEPORT COMMUNICATIONS GROUP - PHOENIX
623-340PHOENIX, AZSPRINT SPECTRUM L.P.
623-341PHOENIX, AZSPRINT SPECTRUM L.P.
623-344PHOENIX, AZELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-349PHOENIX, AZELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-362PHOENIX, AZQWEST CORPORATION
623-363PHOENIX, AZNEW CINGULAR WIRELESS PCS, LLC
623-374PHOENIX, AZQWEST CORPORATION
623-376PHOENIX, AZQWEST CORPORATION
623-377PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2002-03-06
623-385PHOENIX, AZTW TELECOM OF ARIZONA LLC
623-386PHOENIX, AZQWEST CORPORATION
623-387PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2011-03-29
623-388PHOENIX, AZQWEST CORPORATION
623-393PHOENIX, AZQWEST CORPORATION
623-396PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2011-09-01
623-398PHOENIX, AZXO ARIZONA, INC.
623-399PHOENIX, AZT-MOBILE USA, INC.
623-411
623-412PHOENIX, AZQWEST CORPORATION
623-414PHOENIX, AZELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ2006-09-12
623-418PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2001-10-24
623-419PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2012-01-30
623-428PHOENIX, AZBANDWIDTH.COM CLEC, LLC - AZ2010-10-20
623-432PHOENIX, AZNEXTEL COMMUNICATIONS, INC.2009-10-02
623-433PHOENIX, AZNEXTEL COMMUNICATIONS, INC.2005-09-21
623-434PHOENIX, AZQWEST CORPORATION
623-435PHOENIX, AZQWEST CORPORATION
623-444PHOENIX, AZTELEPORT COMMUNICATIONS GROUP - PHOENIX
623-445PHOENIX, AZQWEST CORPORATION
623-451PHOENIX, AZSPRINT SPECTRUM L.P.
623-455PHOENIX, AZLEVEL 3 COMMUNICATIONS, LLC - AZ2004-12-27
623-463PHOENIX, AZQWEST CORPORATION
623-465PHOENIX, AZQWEST CORPORATION
623-466PHOENIX, AZCOX ARIZONA TELCOM, INC. - AZ
623-474PHOENIX, AZQWEST CORPORATION
623-476PHOENIX, AZMCIMETRO ACCESS TRANSMISSION SERVICES LLC
623-478PHOENIX, AZQWEST CORPORATION
623-480
623-486PHOENIX, AZQWEST CORPORATION
623-487PHOENIX, AZQWEST CORPORATION
623-492PHOENIX, AZQWEST CORPORATION
623-498PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2010-04-16
623-505PHOENIX, AZGLOBAL CROSSING LOCAL SERVICES, INC.-AZ
623-511
623-512PHOENIX, AZELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-516PHOENIX, AZQWEST CORPORATION
623-518PHOENIX, AZMCIMETRO ACCESS TRANSMISSION SERVICES LLC
623-520
623-521PHOENIX, AZSPRINT SPECTRUM L.P.
623-523PHOENIX, AZQWEST CORPORATION
623-524PHOENIX, AZQWEST CORPORATION2010-07-06
623-533PHOENIX, AZSPRINT SPECTRUM L.P.
623-535PHOENIX, AZQWEST CORPORATION
623-536PHOENIX, AZQWEST CORPORATION
623-537PHOENIX, AZQWEST CORPORATION
623-544PHOENIX, AZQWEST CORPORATION
623-546PHOENIX, AZQWEST CORPORATION
623-547PHOENIX, AZQWEST CORPORATION
623-551PHOENIX, AZQWEST CORPORATION
623-552PHOENIX, AZT-MOBILE USA, INC.2008-07-23
623-555PHOENIX, AZQWEST CORPORATION
623-556PHOENIX, AZQWEST CORPORATION
623-561PHOENIX, AZQWEST CORPORATION
623-565PHOENIX, AZELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ2007-06-27
623-566PHOENIX, AZQWEST CORPORATION
623-570PHOENIX, AZT-MOBILE USA, INC.
623-572PHOENIX, AZQWEST CORPORATION
623-580PHOENIX, AZQWEST CORPORATION
623-581PHOENIX, AZQWEST CORPORATION
623-582PHOENIX, AZQWEST CORPORATION
623-583PHOENIX, AZQWEST CORPORATION
623-584PHOENIX, AZQWEST CORPORATION
623-587PHOENIX, AZQWEST CORPORATION
623-594PHOENIX, AZCOX ARIZONA TELCOM, INC. - AZ
623-602
623-606PHOENIX, AZNEW CINGULAR WIRELESS PCS, LLC
623-611
623-623
623-628PHOENIX, AZT-MOBILE USA, INC.
623-640PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-643PHOENIX, AZQWEST CORPORATION
623-670PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-680PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-687PHOENIX, AZMCIMETRO ACCESS TRANSMISSION SERVICES LLC
623-688PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-691PHOENIX, AZQWEST CORPORATION
623-692PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2002-10-14
623-693PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2002-10-14
623-694PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-695PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-696PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2002-10-14
623-698PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2002-10-14
623-700
623-703PHOENIX, AZT-MOBILE USA, INC.
623-707PHOENIX, AZTELEPORT COMMUNICATIONS GROUP - PHOENIX
623-711
623-715PHOENIX, AZTELEPORT COMMUNICATIONS GROUP - PHOENIX
623-734PHOENIX, AZMCIMETRO ACCESS TRANSMISSION SERVICES LLC
623-738PHOENIX, AZLEVEL 3 COMMUNICATIONS, LLC - AZ2009-05-19
623-742PHOENIX, AZQWEST CORPORATION
623-748PHOENIX, AZLEVEL 3 COMMUNICATIONS, LLC - AZ2002-04-19
623-755PHOENIX, AZLEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.2008-09-09
623-760PHOENIX, AZTELEPORT COMMUNICATIONS GROUP - PHOENIX
623-764PHOENIX, AZNEXTEL COMMUNICATIONS, INC.
623-772PHOENIX, AZQWEST CORPORATION
623-773PHOENIX, AZQWEST CORPORATION
623-776PHOENIX, AZQWEST CORPORATION
623-777PHOENIX, AZPEERLESS NETWORK OF ARIZONA, LLC - AZ2012-03-05
623-780PHOENIX, AZQWEST CORPORATION
623-792PHOENIX, AZTW TELECOM OF ARIZONA LLC
623-806PHOENIX, AZGILA LOCAL EXCHANGE CARRIER, INC. - AZ2008-08-26
623-810PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-811
623-815PHOENIX, AZQWEST CORPORATION
623-824PHOENIX, AZTELEPORT COMMUNICATIONS GROUP - PHOENIX
623-825PHOENIX, AZQWEST CORPORATION
623-826PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2002-06-17
623-827
623-832PHOENIX, AZQWEST CORPORATION2010-07-06
623-842PHOENIX, AZQWEST CORPORATION
623-845PHOENIX, AZQWEST CORPORATION
623-846PHOENIX, AZQWEST CORPORATION
623-847PHOENIX, AZQWEST CORPORATION
623-848PHOENIX, AZQWEST CORPORATION
623-849PHOENIX, AZQWEST CORPORATION
623-850PHOENIX, AZELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-853PHOENIX, AZQWEST CORPORATION
623-856PHOENIX, AZQWEST CORPORATION
623-866PHOENIX, AZQWEST CORPORATION
623-869PHOENIX, AZQWEST CORPORATION
623-872PHOENIX, AZQWEST CORPORATION
623-873PHOENIX, AZQWEST CORPORATION
623-875PHOENIX, AZQWEST CORPORATION
623-876PHOENIX, AZQWEST CORPORATION2001-04-24
623-877PHOENIX, AZQWEST CORPORATION
623-878PHOENIX, AZQWEST CORPORATION
623-879PHOENIX, AZQWEST CORPORATION
623-880PHOENIX, AZAMERICAN MESSAGING SERVICES, LLC
623-882PHOENIX, AZQWEST CORPORATION
623-889PHOENIX, AZELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-907PHOENIX, AZQWEST CORPORATION
623-910PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-911
623-915PHOENIX, AZQWEST CORPORATION
623-925PHOENIX, AZQWEST CORPORATION
623-928
623-930PHOENIX, AZQWEST CORPORATION
623-931PHOENIX, AZQWEST CORPORATION
623-932PHOENIX, AZQWEST CORPORATION
623-933PHOENIX, AZQWEST CORPORATION
623-934PHOENIX, AZQWEST CORPORATION
623-935PHOENIX, AZQWEST CORPORATION
623-936PHOENIX, AZQWEST CORPORATION
623-937PHOENIX, AZQWEST CORPORATION
623-939PHOENIX, AZQWEST CORPORATION
623-950
623-958
623-959
623-972PHOENIX, AZQWEST CORPORATION
623-974PHOENIX, AZQWEST CORPORATION
623-975PHOENIX, AZQWEST CORPORATION
623-976
623-977PHOENIX, AZQWEST CORPORATION
623-979PHOENIX, AZQWEST CORPORATION
623-980PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2001-10-09
623-986PHOENIX, AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ2006-11-03
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