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
623-581 0 Phoenix AZ   9636 QWEST CORPORATION 666      
623-581 1 Phoenix AZ   9636 QWEST CORPORATION 666      
623-581 2 Phoenix AZ   9636 QWEST CORPORATION 666      
623-581 3 Phoenix AZ   9636 QWEST CORPORATION 666      
623-581 5 Phoenix AZ   9636 QWEST CORPORATION 666      
623-581 6 Phoenix AZ   9636 QWEST CORPORATION 666      
623-581 7 Phoenix AZ   9636 QWEST CORPORATION 666      
623-581 8 Phoenix AZ   9636 QWEST CORPORATION 666      
623-581 9 Phoenix AZ   9636 QWEST CORPORATION 666      
623-582 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-583 A Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-584 A Phoenix AZ BRDSAZMADS0  9636 QWEST CORPORATION 666      
623-587 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-594 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-600 A Phoenix AZ PHNXAZ19AMD  965H FRACTEL, LLC 666      
623-600 0 Phoenix AZ   965H FRACTEL, LLC 666   2019-11-12   
623-600 1 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2019-12-02   
623-600 2 Phoenix AZ   630E ONVOY, LLC - AZ 666   2019-12-08   
623-600 3 Phoenix AZ   630E ONVOY, LLC - AZ 666   2019-12-08   
623-600 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2019-12-08   
623-600 5 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2019-12-02   
623-600 6 Phoenix AZ   965H FRACTEL, LLC 666   2019-11-12   
623-600 7 Phoenix AZ   630E ONVOY, LLC - AZ 666   2019-12-08   
623-600 8 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2019-12-02   
623-600 9 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2019-12-02   
623-606 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-606 0 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2005-12-16   
623-606 1 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2004-11-11   
623-606 2 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2005-12-16   
623-606 3 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2004-11-11   
623-606 4 Phoenix AZ   5562 METROPCS, INC. 666   2005-09-22   
623-606 5 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2004-11-18   
623-606 6 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2004-11-18   
623-606 7 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2004-12-17   
623-606 8 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2004-12-17   
623-606 9 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-624 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-624 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-624 1 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-624 2 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-624 3 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-624 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-624 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-624 6 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-624 7 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-624 8 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-624 9 Phoenix AZ   630E ONVOY, LLC - AZ 666   2021-09-11   
623-628 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-632 A Phoenix AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
623-632 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-08-24   

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

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