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Columbia, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-290 A CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-309 A CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-312 A CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-381 A CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-423 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-447 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-531 A CLVLMDCEDS0  9212 VERIZON MARYLAND, INC. 238      
410-707 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-715 A CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
410-730 A CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
410-740 A CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
410-772 A CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
410-772 0   9212 VERIZON MARYLAND, INC. 238      
410-772 1   9212 VERIZON MARYLAND, INC. 238      
410-772 2   9212 VERIZON MARYLAND, INC. 238      
410-772 3   9212 VERIZON MARYLAND, INC. 238      
410-772 4   5562 METROPCS, INC. 238   2015-07-03   
410-772 5   9212 VERIZON MARYLAND, INC. 238      
410-772 6   9212 VERIZON MARYLAND, INC. 238      
410-772 7   9212 VERIZON MARYLAND, INC. 238      
410-772 8   9212 VERIZON MARYLAND, INC. 238      
410-772 9   9212 VERIZON MARYLAND, INC. 238      
410-794 A BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 0   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 1   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 2   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 3   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 4   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 5   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-04   
410-794 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-06-01   
410-794 7   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 8   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 9   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-851 A CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-872 A CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-884 A CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
410-910 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-953 A CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-953 0   9212 VERIZON MARYLAND, INC. 238      
410-953 1   9212 VERIZON MARYLAND, INC. 238      
410-953 2   9212 VERIZON MARYLAND, INC. 238      
410-953 3   9212 VERIZON MARYLAND, INC. 238      
410-953 4   9212 VERIZON MARYLAND, INC. 238      
410-953 5   9212 VERIZON MARYLAND, INC. 238      
410-953 6   9212 VERIZON MARYLAND, INC. 238      
410-953 7   9212 VERIZON MARYLAND, INC. 238      
410-953 8   9212 VERIZON MARYLAND, INC. 238      
410-953 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2010-09-24   
410-964 A CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      
410-992 A CLMAMDCBDS0  9212 VERIZON MARYLAND, INC. 238      

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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