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
571-421 5 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-02-14   
571-421 9 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-07-07   
571-422 9 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-12   
571-423 7 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-11-30   
571-423 8 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-06-08   
571-423 9 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-06-08   
571-424 5 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-12-20   
571-424 6 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-12-20   
571-424 7 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-12-20   
571-424 8 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-12-20   
571-424 9 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-12-20   
571-425 A Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-425 0 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-18   
571-425 1 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-18   
571-425 2 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-03-07   
571-425 3 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-03-07   
571-425 5 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-09   
571-425 6 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-09   
571-425 7 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-09   
571-425 8 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-09   
571-425 9 Washington Zone 17 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2010-04-09   
571-428 A Manassas VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-428 5 Manassas VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2012-09-29   
571-428 6 Manassas VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2012-09-29   
571-428 7 Manassas VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2012-09-29   
571-428 8 Manassas VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2012-09-29   
571-428 9 Manassas VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2012-06-03   
571-430 0 Herndon VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2020-03-09   
571-431 2 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-05-02   
571-431 8 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-09-02   
571-431 9 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-09-02   
571-438 0 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-12-08   
571-438 1 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-12-08   
571-438 2 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-03-07   
571-438 3 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-03-07   
571-438 5 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-23   
571-438 7 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-23   
571-438 8 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-23   
571-443 0 Herndon VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2017-12-02   
571-443 1 Herndon VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2017-12-02   
571-443 7 Herndon VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-01-21   
571-446 1 Herndon VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-09-30   
571-446 7 Herndon VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-09-30   
571-446 8 Herndon VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-09-30   
571-446 9 Herndon VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-09-30   
571-451 3 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-03-07   
571-451 4 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-01-18   
571-451 5 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-01-18   
571-451 6 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-01-18   
571-451 7 Washington Zone 8 VA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-01-18   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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