Local Calling Guide

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-702 A Reisterstown MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-702 9 Reisterstown MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-704 A Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-709 A Sparrows Point MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-709 9 Sparrows Point MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-753 A Pikesville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-753 0 Pikesville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-753 1 Pikesville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-753 6 Pikesville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2011-09-07   
410-753 9 Pikesville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-774 A Crofton MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-774 9 Crofton MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-777 A Severna Park MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-777 1 Severna Park MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-777 2 Severna Park MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-777 4 Severna Park MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-777 7 Severna Park MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-777 9 Severna Park MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-786 A Woodlawn MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-801 A Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-801 2 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2017-04-06   
410-801 3 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2017-04-06   
410-801 4 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2017-04-06   
410-801 5 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2019-07-09   
410-809 2 Bel Air MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2005-05-05   
410-842 A Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-842 0 Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-842 1 Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-842 2 Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-842 4 Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-842 6 Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-842 8 Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-842 9 Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-846 A Severn MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-846 9 Severn MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-853 5 Towson MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-861 2 Westminster MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2007-07-01   
410-864 A Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 0 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 1 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 2 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 3 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 4 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 5 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 6 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 7 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 9 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-867 5 West River MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2006-07-01   
410-871 6 Westminster MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-871 7 Westminster MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-874 A Odenton MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-874 1 Odenton MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-874 6 Odenton MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2015-08-28   
410-874 9 Odenton MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 A Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 3 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 4 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 8 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-881 A Sherwood Forest MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-881 9 Sherwood Forest MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-891 A Cockeysville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-891 0 Cockeysville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-891 1 Cockeysville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-891 2 Cockeysville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-891 3 Cockeysville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-891 4 Cockeysville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2010-02-25   
410-891 9 Cockeysville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-904 A Waterloo MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-904 7 Waterloo MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-904 9 Waterloo MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-907 A Woodlawn MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-907 0 Woodlawn MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-907 2 Woodlawn MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-907 4 Woodlawn MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-907 9 Woodlawn MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-910 A Columbia MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-919 A Annapolis MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-919 0 Annapolis MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-919 1 Annapolis MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-919 2 Annapolis MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-919 4 Annapolis MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-919 9 Annapolis MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-941 7 Jarrettsville 941 MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2009-03-02   
410-949 A Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-949 1 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-949 2 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-949 3 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-949 8 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-970 A Sykesville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-970 2 Sykesville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-970 9 Sykesville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-209 7 Havre de Grace MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2009-03-02   
443-212 7 Sparks-Glencoe MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-07-01   
443-213 6 Pikesville MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2003-09-26   
443-214 7 Annapolis MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2011-12-17   
443-224 A Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-224 1 Baltimore MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-261 A Severna Park MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-261 3 Severna Park MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-267 3 Darlington MD 7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2009-03-02   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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