Local Calling Guide

Area code/prefix search

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NPA: 623 [Rate centres in NPA 623] [Dial plan for NPA 623]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-882 9 Phoenix AZ   9636 QWEST CORPORATION 666      
623-887 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-887 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-887 1 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-887 2 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-887 3 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-887 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-887 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-887 6 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-887 7 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-887 8 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-887 9 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-05-21   
623-888 A Phoenix AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
623-888 0 Phoenix AZ   5562 METROPCS, INC. 666   2013-02-08   
623-888 1 Phoenix AZ   5562 METROPCS, INC. 666   2013-02-08   
623-888 2 Phoenix AZ   5562 METROPCS, INC. 666   2013-02-08   
623-888 3 Phoenix AZ   829J PAETEC ITEL, LLC 666   2013-11-04   
623-888 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2014-03-02   
623-888 5 Phoenix AZ   829J PAETEC ITEL, LLC 666   2012-10-11   
623-888 6 Phoenix AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2012-08-16   
623-888 7 Phoenix AZ   9636 QWEST CORPORATION 666   2012-10-01   
623-888 8 Phoenix AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2012-07-14   
623-888 9 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2014-02-22   
623-889 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-889 0 Phoenix AZ   7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-889 1 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2006-09-11   
623-889 2 Phoenix AZ   7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666   2005-10-30   
623-889 3 Phoenix AZ   7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666   2006-02-12   
623-889 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2006-02-11   
623-889 5 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2005-09-17   
623-889 6 Phoenix AZ   7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666   2005-06-16   
623-889 7 Phoenix AZ   7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-889 8 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2005-09-17   
623-889 9 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2005-09-17   
623-900 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-900 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2015-04-20   
623-900 1 Phoenix AZ   630E ONVOY, LLC - AZ 666   2015-04-20   
623-900 2 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 3 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 4 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 5 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 6 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 7 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-04-21   
623-900 8 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2015-04-21   
623-900 9 Phoenix AZ   630E ONVOY, LLC - AZ 666   2015-04-20   
623-907 A Phoenix AZ TLSNAZMADS0  9636 QWEST CORPORATION 666      
623-910 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-915 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-920 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-920 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-04-02   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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