Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-436 3 San Mateo CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-07-03   
650-436 7 San Mateo CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-01-03   
650-436 8 San Mateo CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-10-23   
650-436 9 San Mateo CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-10-23   
650-438 A South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-438 0 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-438 1 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-438 2 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-438 3 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-438 4 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-438 5 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-438 6 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-438 7 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2002-09-30   
650-438 8 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-10-10   
650-438 9 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-439 A Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-439 9 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-12-03   
650-441 9 Palo Alto CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-10-20   
650-445 8 San Mateo CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-10-30   
650-447 6 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-09-22   
650-448 8 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-11-07   
650-448 9 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-10-23   
650-450 A Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-450 0 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-450 1 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-450 2 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-450 3 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-450 6 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-10-11   
650-450 7 Mountain View CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-10-11   
650-451 4 Pacifica CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-06-30   
650-452 0 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-07   
650-452 2 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-05   
650-452 3 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-05   
650-452 4 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-05   
650-452 8 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-11-28   
650-452 9 South San Francisco CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-07   
650-454 A Redwood City CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-454 0 Redwood City CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-454 4 Redwood City CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-10-27   
650-454 5 Redwood City CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-01-06   
650-454 6 Redwood City CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-454 7 Redwood City CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-454 9 Redwood City CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-01-06   
650-455 A Millbrae CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 0 Millbrae CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 1 Millbrae CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 2 Millbrae CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 3 Millbrae CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 4 Millbrae CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-455 5 Millbrae CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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