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
240-454 3 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-454 5 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-459 3 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-02-26   
240-459 8 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-07-02   
240-466 1 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-466 4 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-466 6 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-25   
240-466 8 Mechanicsville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-468 4 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-468 7 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-473 2 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-473 3 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-479 4 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
240-479 9 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-487 9 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-489 1 Poolesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-02-28   
240-492 6 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-04-29   
240-493 9 Washington Zone 6 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-05-14   
240-502 A Washington Zone 3 MD 074F BANDWIDTH.COM CLEC, LLC - DC 236   2024-02-19   
240-502 8 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2023-01-08   
240-504 8 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-05   
240-504 9 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-05   
240-507 5 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-514 4 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-03-25   
240-514 7 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-514 8 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-516 6 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-06-06   
240-516 8 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-523 3 La Plata MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-525 0 Washington Zone 15 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-525 1 Washington Zone 15 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-525 8 Washington Zone 15 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-11-11   
240-528 3 Hughesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-528 7 Hughesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-03-11   
240-528 8 Hughesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-04-04   
240-531 3 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2018-10-19   
240-531 7 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-03-18   
240-531 8 Washington Zone 3 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-03-18   
240-532 2 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-05-30   
240-532 3 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-05-30   
240-532 4 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-05-30   
240-532 8 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-05-30   
240-534 3 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2016-08-21   
240-542 7 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-542 8 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-22   
240-542 9 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-27   
240-544 6 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-05-14   
240-544 7 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-05-14   
240-545 5 Washington Zone 15 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-545 8 Washington Zone 15 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   

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

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