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]

NXX: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
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 PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-06-21   
623-523 2 Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-06-21   
623-523 3 Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-09-30   
623-523 4 Phoenix AZ PHNXAZMACM6  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 PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-09-30   
623-523 8 Phoenix AZ PHNXAZMRDS0  9636 QWEST CORPORATION 666      
623-523 9 Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2003-09-30   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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