Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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
623-698 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2006-03-31   
623-698 5 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2006-04-07   
623-698 6 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2006-04-07   
623-698 7 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2006-04-07   
623-698 8 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2006-04-07   
623-698 9 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2014-08-19   
623-703 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-703 0 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-703 1 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-703 2 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-703 3 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-703 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-703 5 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-02-19   
623-703 6 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-703 7 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-703 8 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-02-19   
623-703 9 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-707 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-707 0 Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-707 1 Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-707 2 Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-707 3 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-03-18   
623-707 4 Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-707 5 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-03-18   
623-707 6 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-03-18   
623-707 7 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2006-03-09   
623-707 8 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2022-10-17   
623-707 9 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2006-03-09   
623-715 A Phoenix AZ PHNYAZUXDS0  7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-715 0 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-07-08   
623-715 1 Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-715 2 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-07-08   
623-715 3 Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-715 4 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-07-08   
623-715 5 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-07-08   
623-715 6 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-07-08   
623-715 7 Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-715 8 Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-715 9 Phoenix AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 666      
623-734 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-734 0 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2006-02-10   
623-734 1 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-734 2 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2005-01-11   
623-734 3 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2005-01-11   
623-734 4 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2005-01-11   
623-734 5 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2005-01-11   
623-734 6 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2006-02-10   
623-734 7 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2005-11-25   
623-734 8 Phoenix AZ   5562 METROPCS, INC. 666   2005-07-07   
623-734 9 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2006-08-31   

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

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