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
623-512 4 Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
623-512 5 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2003-05-14   
623-512 6 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2003-05-14   
623-512 7 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2003-05-14   
623-512 8 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2003-05-14   
623-512 9 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2003-05-14   
623-516 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-518 A Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-518 0 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2005-05-22   
623-518 1 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-518 2 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-02-06   
623-518 3 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-10-28   
623-518 4 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-10-28   
623-518 5 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2005-01-08   
623-518 6 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-10-28   
623-518 7 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2005-01-08   
623-518 8 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2005-01-08   
623-518 9 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2005-10-28   
623-521 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 0 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 1 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 2 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 3 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 4 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 5 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 6 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 7 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 8 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-521 9 Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-522 A Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666      
623-522 0 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2015-07-27   
623-522 1 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2015-08-31   
623-522 2 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2015-07-27   
623-522 3 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2015-08-31   
623-522 4 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-09-10   
623-522 5 Phoenix AZ   829J PAETEC ITEL, LLC 666   2015-08-17   
623-522 6 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2015-11-18   
623-522 7 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2015-11-30   
623-522 8 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2015-09-10   
623-522 9 Phoenix AZ TEMPAZNR5MD  5562 METROPCS, INC. 666   2015-07-27   
623-523 A Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-523 0 Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-523 1 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-06-21   
623-523 2 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-06-21   
623-523 3 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-09-30   
623-523 4 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-09-30   
623-523 5 Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-523 6 Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-523 7 Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-09-30   
623-523 8 Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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