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Washington Zone 6, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-843 A WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-870 A WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-893 A WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-893 0 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-893 1 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-893 2 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-893 3 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-893 4 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-893 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-08-15   
301-893 6 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-893 7 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
301-893 8 WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-893 9   145J TERRA NOVA TELECOM INC. 236   2021-06-10   
301-894 A TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-965 A WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-965 0 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-08-20   
301-965 1 VINNVACBDS0  876D ONVOY, LLC - MD 236   2008-10-05   
301-965 2 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-04-27   
301-965 3 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-04-27   
301-965 4 OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236   2007-04-27   
301-965 5 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-04-27   
301-965 6 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-12-18   
301-965 7   829J PAETEC ITEL, LLC 236   2010-07-28   
301-965 8 WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-10-25   
301-965 9 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-971 A LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-971 0 WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2012-09-15   
301-971 1 LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-971 2 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-19   
301-971 3   829J PAETEC ITEL, LLC 236   2011-06-12   
301-971 4 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-19   
301-971 5 OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236   2013-02-25   
301-971 6 OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236   2013-02-25   
301-971 7 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-01-31   
301-971 8 LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-971 9   515J IP HORIZON LLC 236   2013-09-06   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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