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Washington Zone 10, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-948 A GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-975 A GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-975 0   9212 VERIZON MARYLAND, INC. 236      
301-975 1   9212 VERIZON MARYLAND, INC. 236      
301-975 2   9212 VERIZON MARYLAND, INC. 236      
301-975 3   9212 VERIZON MARYLAND, INC. 236      
301-975 4   9212 VERIZON MARYLAND, INC. 236      
301-975 5   9212 VERIZON MARYLAND, INC. 236      
301-975 6   9212 VERIZON MARYLAND, INC. 236      
301-975 7   5562 METROPCS, INC. 236   2013-06-16   
301-975 8   9212 VERIZON MARYLAND, INC. 236      
301-975 9   9212 VERIZON MARYLAND, INC. 236      
301-978 A GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-978 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-978 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-04   
301-978 2   9212 VERIZON MARYLAND, INC. 236      
301-978 3   829J PAETEC ITEL, LLC 236   2013-01-25   
301-978 4   9212 VERIZON MARYLAND, INC. 236      
301-978 5   9212 VERIZON MARYLAND, INC. 236      
301-978 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-12   
301-978 7   318J COMCAST IP PHONE, LLC 236   2014-09-18   
301-978 8   9212 VERIZON MARYLAND, INC. 236      
301-978 9   9212 VERIZON MARYLAND, INC. 236      
301-979 A   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-979 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-08-18   
301-979 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-04-21   
301-979 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-04-21   
301-979 3   5562 METROPCS, INC. 236   2013-08-06   
301-979 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-979 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-08-18   
301-979 6   829J PAETEC ITEL, LLC 236   2018-10-05   
301-979 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-12-08   
301-979 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-08-06   
301-979 9   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-12-08   
301-983 A BTHSMDBDDS0  9212 VERIZON MARYLAND, INC. 236      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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