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
623-462 2 Phoenix AZ   630E ONVOY, LLC - AZ 666   2022-10-31   
623-462 3 Phoenix AZ   630E ONVOY, LLC - AZ 666   2022-10-31   
623-462 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2022-10-31   
623-462 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2022-10-31   
623-462 6 Phoenix AZ   630E ONVOY, LLC - AZ 666   2022-10-31   
623-462 7 Phoenix AZ   630E ONVOY, LLC - AZ 666   2022-10-31   
623-462 8 Phoenix AZ   630E ONVOY, LLC - AZ 666   2022-10-31   
623-462 9 Phoenix AZ   630E ONVOY, LLC - AZ 666   2022-10-31   
623-463 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-463 0 Phoenix AZ   9636 QWEST CORPORATION 666      
623-463 1 Phoenix AZ   9636 QWEST CORPORATION 666      
623-463 2 Phoenix AZ   9636 QWEST CORPORATION 666      
623-463 3 Phoenix AZ   9636 QWEST CORPORATION 666      
623-463 4 Phoenix AZ   9636 QWEST CORPORATION 666      
623-463 5 Phoenix AZ   9636 QWEST CORPORATION 666      
623-463 6 Phoenix AZ   9636 QWEST CORPORATION 666      
623-463 7 Phoenix AZ   9636 QWEST CORPORATION 666      
623-463 8 Phoenix AZ   9636 QWEST CORPORATION 666      
623-463 9 Phoenix AZ   9636 QWEST CORPORATION 666      
623-465 A Phoenix AZ NWRVAZMADS0  9636 QWEST CORPORATION 666      
623-466 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-466 0 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2005-12-05   
623-466 1 Phoenix AZ   9636 QWEST CORPORATION 666   2003-12-08   
623-466 2 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2004-10-21   
623-466 3 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2004-10-21   
623-466 4 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2004-11-05   
623-466 5 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2004-12-06   
623-466 6 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2005-12-05   
623-466 7 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2004-10-12   
623-466 8 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2004-10-12   
623-466 9 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2005-12-05   
623-469 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-469 0 Phoenix AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-06-25   
623-469 1 Phoenix AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-06-25   
623-469 2 Phoenix AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-06-25   
623-469 3 Phoenix AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-06-25   
623-469 4 Phoenix AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-06-25   
623-469 5 Phoenix AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2017-06-25   
623-469 6 Phoenix AZ   630E ONVOY, LLC - AZ 666   2017-09-09   
623-469 7 Phoenix AZ   630E ONVOY, LLC - AZ 666   2017-09-09   
623-469 8 Phoenix AZ   630E ONVOY, LLC - AZ 666   2017-09-09   
623-469 9 Phoenix AZ   630E ONVOY, LLC - AZ 666   2017-09-09   
623-471 A Phoenix AZ BCKYAZMADS0  9636 QWEST CORPORATION 666      
623-471 0 Phoenix AZ   318J COMCAST IP PHONE, LLC 666   2019-12-02   
623-471 1 Phoenix AZ   630E ONVOY, LLC - AZ 666   2019-11-07   
623-471 2 Phoenix AZ   9636 QWEST CORPORATION 666   2019-09-25   
623-471 3 Phoenix AZ   9636 QWEST CORPORATION 666   2019-09-25   
623-471 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2019-10-12   
623-471 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2019-10-12   
623-471 6 Phoenix AZ   630E ONVOY, LLC - AZ 666   2019-10-12   

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

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