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
443-891 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   
443-957 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   
667-895 5 Baltimore MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2021-07-12   

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

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