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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-800 4   829J PAETEC ITEL, LLC 238   2005-08-30   
410-800 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-05-09   
410-800 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-05-09   
410-800 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-01   
410-800 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-01   
410-800 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-06-19   
410-801 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-801 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-02-15   
410-801 1   876D ONVOY, LLC - MD 238   2024-02-24   
410-801 2   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2017-04-06   
410-801 3   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2017-04-06   
410-801 4   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2017-04-06   
410-801 5   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2019-07-09   
410-801 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-08-12   
410-801 7   876D ONVOY, LLC - MD 238   2017-03-02   
410-801 8   318J COMCAST IP PHONE, LLC 238   2018-06-07   
410-801 9   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-08-12   
410-804 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-805 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-805 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-805 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-805 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-805 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-805 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-805 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-805 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-805 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-805 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-805 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
410-814 A   829J PAETEC ITEL, LLC 238   2025-04-01   
410-814 0   318J COMCAST IP PHONE, LLC 238   2005-12-21   
410-814 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-12-23   
410-814 2   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 3   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 4   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 5   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 6   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 7   829J PAETEC ITEL, LLC 238   2005-11-21   
410-814 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-02-03   
410-814 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-02-03   
410-826 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-826 0   876D ONVOY, LLC - MD 238   2016-01-18   
410-826 1   876D ONVOY, LLC - MD 238   2016-01-18   
410-826 2   876D ONVOY, LLC - MD 238   2016-01-18   
410-826 3   876D ONVOY, LLC - MD 238   2016-01-18   
410-826 4   876D ONVOY, LLC - MD 238   2016-01-18   
410-826 5   876D ONVOY, LLC - MD 238   2016-01-18   
410-826 6   876D ONVOY, LLC - MD 238   2016-01-18   
410-826 7   876D ONVOY, LLC - MD 238   2016-01-18   
410-826 8   876D ONVOY, LLC - MD 238   2016-01-18   
410-826 9   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   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-22   
410-844 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-22   
410-844 3   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 4   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 5   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 6   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 7   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 8   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-844 9   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2011-11-21   
410-856 A CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-856 0   9212 VERIZON MARYLAND, INC. 238      
410-856 1   829J PAETEC ITEL, LLC 238   2005-04-21   
410-856 2   9212 VERIZON MARYLAND, INC. 238      
410-856 3   9212 VERIZON MARYLAND, INC. 238      
410-856 4   9212 VERIZON MARYLAND, INC. 238      
410-856 5   9212 VERIZON MARYLAND, INC. 238      
410-856 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-856 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-864 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 0   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 1   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 2   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 3   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 4   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 5   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 6   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 7   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-864 8   829J PAETEC ITEL, LLC 238   2005-08-30   
410-864 9   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 0   318J COMCAST IP PHONE, LLC 238   2006-08-08   
410-878 1   318J COMCAST IP PHONE, LLC 238   2006-08-08   
410-878 2   829J PAETEC ITEL, LLC 238   2005-08-30   
410-878 3   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 4   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-06-19   
410-878 6   829J PAETEC ITEL, LLC 238   2005-08-30   
410-878 7   829J PAETEC ITEL, LLC 238   2005-08-05   
410-878 8   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-878 9   829J PAETEC ITEL, LLC 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   829J PAETEC ITEL, LLC 238   2025-04-01   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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