Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
202-469 8 Washington Zone 1 DC   236   2008-09-12   
240-207 2 Damascus MD   236   2005-07-24   
240-477 A Gaithersburg MD SLSPMDBCDS0  236   2005-06-19   
240-477 1 Gaithersburg MD   236   2005-06-19   
240-487 7 Washington Zone 4 MD   236   2005-07-04   
240-821 A Washington Zone 3 MD SLSPMDBCDS0  236   2005-06-26   
240-821 1 Washington Zone 3 MD   236   2005-06-26   
240-821 9 Washington Zone 3 MD   236   2006-03-26   
301-375 4 Indian Head MD   236   2005-10-07   
301-539 5 La Plata MD   236   2005-10-07   
301-543 8 Laurel MD   236   2005-04-21   
301-861 1 Waldorf MD   236   2005-10-07   
301-880 5 Lexington Park-Great Mills MD   236   2005-10-07   
410-501 A Arbutus MD BLTMMDCH21Z  238      
410-501 1 Arbutus MD   238   2005-07-30   
410-568 7 Cockeysville MD   238   2005-10-07   
410-701 5 Randallstown MD   238   2005-07-04   
410-856 1 Baltimore MD   238   2005-04-21   
443-209 5 Havre de Grace MD   238   2005-10-07   
443-274 6 Severn MD   238   2005-07-04   
443-319 4 Columbia MD   238   2005-07-04   
443-433 1 Annapolis MD   238   2005-10-07   
443-491 2 Parkton MD   238   2005-10-07   
443-855 A Aberdeen MD BLTMMDCH21Z  236   2005-06-19   
443-855 1 Aberdeen MD   236   2005-06-19   
443-918 3 Taneytown MD   238   2005-10-07   
540-242 5 Stafford VA   236   2005-07-24   
571-224 9 Washington Zone 19 VA   236   2005-07-24   
703-436 0 Lorton VA   236   2005-07-24   
703-468 9 Haymarket VA   236   2005-10-07   
703-504 9 Washington Zone 8 VA   236   2005-07-04   
703-789 9 Manassas VA   236   2005-10-07   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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