Local Calling Guide

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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
623-632 1 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-08-24   
623-632 2 Phoenix AZ   624H ONVOY SPECTRUM, LLC 666   2020-07-22   
623-632 3 Phoenix AZ   624H ONVOY SPECTRUM, LLC 666   2020-07-22   
623-632 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2020-07-23   
623-632 5 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2020-07-23   
623-632 6 Phoenix AZ   624H ONVOY SPECTRUM, LLC 666   2020-07-22   
623-632 7 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2020-07-23   
623-632 8 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2020-07-23   
623-632 9 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2020-07-23   
623-633 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-633 0 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2015-03-19   
623-633 1 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2015-03-31   
623-633 2 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2015-04-22   
623-633 3 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2015-05-14   
623-633 4 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2015-05-29   
623-633 5 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2015-06-08   
623-633 6 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2015-06-25   
623-633 7 Phoenix AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2015-05-14   
623-633 8 Phoenix AZ   9636 QWEST CORPORATION 666   2015-03-20   
623-633 9 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2015-03-20   
623-640 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-643 A Phoenix AZ PHNXAZPRDS0  9636 QWEST CORPORATION 666      
623-643 0 Phoenix AZ   9636 QWEST CORPORATION 666      
623-643 1 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2003-05-20   
623-643 2 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2003-05-20   
623-643 3 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2003-05-20   
623-643 4 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2003-05-20   
623-643 5 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2003-05-20   
623-643 6 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2003-05-20   
623-643 7 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2003-05-20   
623-643 8 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2005-04-24   
623-643 9 Phoenix AZ   9636 QWEST CORPORATION 666      
623-663 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-663 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-663 1 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-663 2 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-663 3 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-663 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-663 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-663 6 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-663 7 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-663 8 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-663 9 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-05-15   
623-666 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-666 0 Phoenix AZ   5562 METROPCS, INC. 666   2014-07-16   
623-666 1 Phoenix AZ   5562 METROPCS, INC. 666   2014-07-16   
623-666 2 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2014-04-04   
623-666 3 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2014-04-04   
623-666 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2013-01-10   
623-666 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2013-01-10   

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

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