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
240-342 4 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-342 6 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-348 2 Washington Zone 16 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-348 3 Washington Zone 16 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-349 6 La Plata MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-358 1 Damascus MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-360 0 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-03-31   
240-360 1 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-03-31   
240-371 7 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-371 8 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-388 9 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2004-11-21   
240-389 0 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-03-12   
240-389 2 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-01-21   
240-389 3 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-01-21   
240-389 4 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-01-21   
240-389 5 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-09-03   
240-389 9 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-15   
240-390 6 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-02-26   
240-391 3 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-12   
240-391 7 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-391 8 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-392 1 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-05-30   
240-400 7 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2023-02-03   
240-406 4 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-406 5 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-406 7 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-406 8 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-27   
240-406 9 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-27   
240-408 4 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-408 5 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-412 2 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-09-13   
240-416 9 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-419 6 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-424 0 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
240-424 5 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-05-03   
240-427 5 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-22   
240-428 A Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-428 0 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-07-15   
240-428 3 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-12   
240-428 4 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-12   
240-428 7 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-20   
240-428 8 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-03-06   
240-433 3 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-435 2 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-07-02   
240-435 4 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-435 7 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-437 3 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-07-02   
240-437 4 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-07-02   
240-438 9 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-05   
240-449 4 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   

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

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