Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: PIVLMDPKQMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-387 A Baltimore MD 9170 BROADVIEW NETWORKS, INC. - MD 238      
410-387 2 Baltimore MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2011-10-09   
410-387 4 Baltimore MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2011-10-09   
410-940 A Annapolis MD 1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238      
410-940 6 Annapolis MD 1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2002-03-15   
443-292 7 Crofton MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2010-10-22   
443-464 A Churchville MD 9170 BROADVIEW NETWORKS, INC. - MD 238      
443-464 4 Churchville MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2010-05-15   
443-464 5 Churchville MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2010-05-15   
443-588 3 Parkville MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2015-09-04   
443-607 3 West River MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2014-07-21   
443-733 5 Waterloo MD 9170 BROADVIEW NETWORKS, INC. - MD 238   2013-10-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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