Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: WASHDCDP8MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-887 5 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-892 3 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-892 5 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-892 6 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-05-12   
301-893 4 Washington Zone 6 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-893 7 Washington Zone 6 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-905 0 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-909 3 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-909 4 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-04-23   
301-909 5 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-909 8 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-920 7 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-923 A Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-923 0 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-12-08   
301-923 6 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2025-01-04   
301-941 3 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-10-02   
301-941 4 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-05-06   
301-941 7 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2018-10-19   
301-960 3 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-960 5 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-960 8 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-06-11   
301-965 0 Washington Zone 6 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-08-20   
301-966 2 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
301-966 3 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
301-966 7 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-06-06   
301-968 6 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
301-971 2 Washington Zone 6 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-19   
301-971 4 Washington Zone 6 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-19   
301-985 2 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-01-01   
301-997 2 Leonardtown MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
410-416 A Waterloo (Washington DC LATA) MD 9748 AMERICAN MESSAGING SERVICES, LLC 236      
410-619 A Waterloo (Washington DC LATA) MD 9748 AMERICAN MESSAGING SERVICES, LLC 236      
410-705 A Waterloo (Washington DC LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
410-705 0 Waterloo (Washington DC LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-10-20   
410-705 4 Waterloo (Washington DC LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-02-13   
410-705 5 Waterloo (Washington DC LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-07-06   
410-705 6 Waterloo (Washington DC LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
410-824 1 Waterloo (Washington DC LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-09-03   
410-834 1 Waterloo (Washington DC LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-12   
410-834 3 Waterloo (Washington DC LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-06-16   
410-834 5 Waterloo (Washington DC LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-02-17   
540-242 1 Stafford VA 079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-08-08   
540-300 1 Stafford VA 079F BANDWIDTH.COM CLEC, LLC - VA 236   2011-07-02   
540-300 2 Stafford VA 079F BANDWIDTH.COM CLEC, LLC - VA 236   2011-08-26   
540-300 3 Stafford VA 079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-07-26   
540-300 5 Stafford VA 079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-03-06   
540-300 6 Stafford VA 079F BANDWIDTH.COM CLEC, LLC - VA 236   2013-12-01   
540-300 7 Stafford VA 079F BANDWIDTH.COM CLEC, LLC - VA 236   2013-03-03   
540-300 8 Stafford VA 079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-08-16   
540-318 3 Stafford VA 079F BANDWIDTH.COM CLEC, LLC - VA 236   2009-04-04   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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