Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDCHXNX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-779 A Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-779 2 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 3 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 4 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 5 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 6 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 7 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 8 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-782 A Annapolis MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-782 0 Annapolis MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-789 5 Westminster MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2008-10-25   
443-793 A Parkville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-793 0 Parkville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-793 1 Parkville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-793 4 Parkville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-795 A Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-795 0 Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-795 3 Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-795 5 Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-796 A Pikesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-796 0 Pikesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-796 4 Pikesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-796 7 Pikesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-797 A Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-797 0 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-797 1 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-797 6 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
443-797 8 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-798 6 Towson MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
443-815 A Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-815 0 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-815 5 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-815 6 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-816 A Severna Park MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-816 0 Severna Park MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-816 1 Severna Park MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-816 2 Severna Park MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-817 A Armiger-Gibson Island MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-817 0 Armiger-Gibson Island MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-817 1 Armiger-Gibson Island MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-817 4 Armiger-Gibson Island MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-817 5 Armiger-Gibson Island MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-817 6 Armiger-Gibson Island MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-817 9 Armiger-Gibson Island MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-836 A Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-836 0 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-853 2 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2010-10-15   
443-853 3 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2010-10-15   
443-853 4 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2010-10-20   
443-853 5 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2010-10-20   
443-853 6 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2010-10-20   
443-853 7 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2010-10-20   
443-855 0 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2012-11-27   
443-855 2 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-855 3 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-855 4 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-855 5 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-855 6 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-855 7 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-855 8 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-855 9 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-863 1 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2010-10-20   
443-874 0 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-874 1 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-03   
443-891 A Glen Burnie MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-891 0 Glen Burnie MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-891 1 Glen Burnie MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-891 2 Glen Burnie MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-893 A Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-893 0 Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-893 2 Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-893 7 Woodlawn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-896 0 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-896 9 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-914 0 Worthington MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2002-11-25   
443-917 4 Columbia MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2013-07-22   
443-957 9 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-03   
443-973 A Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-973 9 Ellicott City MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2001-11-19   
667-304 7 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2021-07-12   
667-318 2 Cockeysville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2021-07-13   
667-334 3 Aberdeen MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2021-12-03   
667-414 2 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-14   
667-414 3 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-14   
667-414 4 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-14   
667-414 5 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-14   
667-416 2 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 3 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 4 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 5 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 6 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 7 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 8 Essex MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-424 A Odenton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
667-424 1 Odenton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-01   
667-424 2 Odenton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-01   
667-424 3 Odenton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-01   
667-424 4 Odenton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-01   
667-424 5 Odenton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-01   
667-492 A Severn MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2024-07-22   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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