Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 071F BANDWIDTH.COM CLEC, LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-327 0 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH45Z  238   2014-09-01   
301-327 1 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH45Z  238   2010-01-02   
301-327 4 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH45Z  238   2010-10-17   
301-329 5 Ashton (Baltimore LATA) MD BLTMMDCH45Z  238   2015-05-24   
301-337 7 Gaithersburg MD WASHDCDP8MD  236   2010-02-19   
301-337 8 Gaithersburg MD WASHDCDP8MD  236   2010-02-19   
301-338 6 Cumberland MD HGTWMDHGDMD  240   2014-05-30   
301-338 8 Cumberland MD HGTWMDHGDMD  240   2012-02-19   
301-349 6 Poolesville MD WASHDCDP8MD  236   2010-08-19   
301-359 1 Westernport MD HGTWMDHGDMD  240   2015-03-01   
301-359 6 Westernport MD HGTWMDHGDMD  240   2012-02-10   
301-363 0 Damascus (Hagerstown LATA) MD HGTWMDHGDMD  240   2015-10-29   
301-363 7 Damascus (Hagerstown LATA) MD HGTWMDHGDMD  240   2011-11-25   
301-363 9 Damascus (Hagerstown LATA) MD HGTWMDHGDMD  240   2013-07-26   
301-364 4 Washington Zone 4 MD WASHDCDP8MD  236   2011-10-14   
301-371 2 Middletown MD HGTWMDHGDMD  240   2007-06-04   
301-375 0 Indian Head MD WASHDCDP8MD  236   2008-12-13   
301-375 2 Indian Head MD WASHDCDP8MD  236   2007-10-22   
301-388 5 Washington Zone 12 MD WASHDCDP8MD  236   2014-06-06   
301-388 8 Washington Zone 12 MD WASHDCDP8MD  236   2011-05-20   
301-392 7 La Plata MD WASHDCDP8MD  236   2011-06-02   
301-418 6 Frederick MD   240   2004-04-07   
301-447 0 Emmitsburg MD HGTWMDHGDMD  240   2018-06-10   
301-448 3 Washington Zone 3 MD WASHDCDP8MD  236   2022-11-07   
301-450 0 Washington Zone 3 MD WASHDCDP8MD  236   2022-09-17   
301-450 1 Washington Zone 3 MD WASHDCDP8MD  236   2022-09-17   
301-450 2 Washington Zone 3 MD WASHDCDP8MD  236   2022-09-17   
301-450 3 Washington Zone 3 MD WASHDCDP8MD  236   2022-09-17   
301-450 4 Washington Zone 3 MD WASHDCDP8MD  236   2022-09-17   
301-453 2 Kitzmiller MD HGTWMDHGDMD  240   2011-10-01   
301-453 5 Kitzmiller MD HGTWMDHGDMD  240   2014-07-12   
301-453 6 Kitzmiller MD HGTWMDHGDMD  240   2015-08-10   
301-453 7 Kitzmiller MD HGTWMDHGDMD  240   2015-11-07   
301-456 0 Washington Zone 5 MD WASHDCDP8MD  236   2010-06-26   
301-458 0 Washington Zone 4 MD WASHDCDP8MD  236   2008-12-13   
301-458 6 Washington Zone 4 MD WASHDCDP8MD  236   2010-08-19   
301-458 8 Washington Zone 4 MD WASHDCDP8MD  236   2010-08-19   
301-463 4 Lonaconing MD HGTWMDHGDMD  240   2015-03-01   
301-463 7 Lonaconing MD HGTWMDHGDMD  240   2012-01-12   
301-478 4 Flintstone MD HGTWMDHGDMD  240   2012-08-24   
301-478 6 Flintstone MD HGTWMDHGDMD  240   2015-03-01   
301-478 7 Flintstone MD HGTWMDHGDMD  240   2015-11-07   
301-485 6 Washington Zone 6 MD WASHDCDP8MD  236   2010-02-22   
301-485 9 Washington Zone 6 MD WASHDCDP8MD  236   2008-12-13   
301-494 1 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH45Z  238   2012-06-25   
301-494 3 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH45Z  238   2015-03-06   
301-500 0 Washington Zone 2 MD WASHDCDP8MD  236   2011-07-31   
301-508 9 Myersville MD HGTWMDHGDMD  240   2007-06-04   
301-531 4 Washington Zone 4 MD WASHDCDP8MD  236   2010-02-22   
301-531 5 Washington Zone 4 MD WASHDCDP8MD  236   2010-02-22   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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