Local Calling Guide

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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-826 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-01-18   
410-837 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-843 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-844 A BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
410-844 0 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 1 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-22   
410-844 2 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-22   
410-844 3 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 4 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 5 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 6 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 7 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 8 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 9 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-856 A CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-856 0 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-856 1 BLTMMDCH14Z  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-04-21   
410-856 2 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-856 3 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-856 4 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-856 5 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-856 6 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 7 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 8 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 9 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-864 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 0 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 1 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 2 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 4 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 5 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 6 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 7 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 8 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-30   
410-864 9 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 0 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-08-08   
410-878 1 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-08-08   
410-878 2 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-30   
410-878 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 4 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-06-19   
410-878 6 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-30   
410-878 7 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-05   
410-878 8 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 9 BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2006-08-07   
410-889 A BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-895 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-900 A BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      

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

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