Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
323-382 8 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-07-16   
323-387 8 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-387 9 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-393 5 Los Angeles: DA 09 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-07-15   
323-397 A Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-400 1 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-14   
323-401 A Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-420 3 Los Angeles: DA 09 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 4 Los Angeles: DA 09 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 5 Los Angeles: DA 09 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 6 Los Angeles: DA 09 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 7 Los Angeles: DA 09 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 8 Los Angeles: DA 09 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-22   
323-420 9 Los Angeles: DA 09 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-22   
323-428 A Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-434 A Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-434 0 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-434 1 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-434 2 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-434 3 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-434 4 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-434 5 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-434 6 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-434 7 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-434 8 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-434 9 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-05-12   
323-440 A Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-446 9 Los Angeles: DA 05 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-09-26   
323-447 A Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-449 A Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-450 6 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-456 0 Los Angeles: DA 13 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-29   
323-459 A Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-472 0 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-472 1 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-472 3 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-29   
323-482 4 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-12-05   
323-482 5 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-12-05   
323-482 6 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-12-05   
323-482 7 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-12-05   
323-485 0 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-05-01   
323-485 1 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-05-01   
323-485 2 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-05-01   
323-485 3 Montebello CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-05-01   
323-491 0 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-491 4 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-491 5 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-491 6 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-491 7 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-491 8 Los Angeles: DA 14 CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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