Local Calling Guide

Area code/prefix search

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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
623-219 1 Phoenix AZ   5562 METROPCS, INC. 666   2015-03-12   
623-219 2 Phoenix AZ   5562 METROPCS, INC. 666   2015-03-12   
623-219 3 Phoenix AZ   5562 METROPCS, INC. 666   2015-03-12   
623-219 4 Phoenix AZ   663G RE-INVENT TELECOM, LLC - AZ 666   2015-03-13   
623-219 5 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2015-03-18   
623-219 6 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2015-03-18   
623-219 7 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2015-03-18   
623-219 8 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2015-03-18   
623-219 9 Phoenix AZ   5562 METROPCS, INC. 666   2015-03-12   
623-220 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 1 Phoenix AZ   630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 2 Phoenix AZ   630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 3 Phoenix AZ   630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2024-04-26   
623-220 6 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-04-27   
623-220 7 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-04-27   
623-220 8 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-04-27   
623-220 9 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2024-04-27   
623-221 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-221 0 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-221 1 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-221 2 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-221 3 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-221 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-221 5 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-221 6 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-221 7 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-221 8 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-221 9 Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-222 A Phoenix AZ BRDSAZMADS0  9636 QWEST CORPORATION 666      
623-222 0 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-222 1 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-222 2 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-222 3 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-222 4 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-222 5 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-222 6 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-222 7 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-222 8 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-222 9 Phoenix AZ   9636 QWEST CORPORATION 666   2007-05-18   
623-223 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-223 0 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2009-08-28   
623-223 1 Phoenix AZ   7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666   2009-09-29   
623-223 2 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2009-10-09   
623-223 3 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2009-10-09   
623-223 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2009-10-09   
623-223 5 Phoenix AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666   2013-10-11   
623-223 6 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2009-10-09   

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

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