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
240-841 7 Laurel (Baltimore LATA) MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2010-07-01   
410-501 A Arbutus MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238      
410-501 1 Arbutus MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-07-30   
410-568 7 Cockeysville MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-10-07   
443-209 5 Havre de Grace MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-10-07   
443-274 6 Severn MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-07-04   
443-319 4 Columbia MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-07-04   
443-353 6 Cockeysville MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2008-06-09   
443-433 1 Annapolis MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-10-07   
443-449 A Baltimore MD 9170 BROADVIEW NETWORKS, INC. - MD 238      
443-449 2 Baltimore MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2007-05-19   
443-491 2 Parkton MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-10-07   
443-503 7 Dundalk MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2009-04-20   
443-550 5 North Beach MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2008-01-03   
443-578 8 Cockeysville MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2008-09-26   
443-718 6 Columbia MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2008-09-25   
443-761 6 Towson MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2008-09-19   
443-767 7 Worthington MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2008-09-08   
443-855 A Aberdeen MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 236      
443-855 1 Aberdeen MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 236   2005-06-19   
443-918 3 Taneytown MD 5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-10-07   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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