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Washington Zone 10, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-417 2 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-417 3   829J PAETEC ITEL, LLC 236   2015-09-17   
301-417 4 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-04-14   
301-417 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
301-417 6 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-417 7 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-417 8 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-10-15   
301-417 9 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-424 A RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-428 A GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-444 A GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-444 0 GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-444 1 GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-444 2 GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-444 3 GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-444 4 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2007-02-06   
301-444 5   515J IP HORIZON LLC 236   2007-09-13   
301-444 6 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-03-18   
301-444 7 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236   2004-06-10   
301-444 8 GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-444 9 WASHDC127MD  073H TELNYX LLC 236   2020-01-28   
301-461 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-517 A RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-517 0 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-517 1 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-517 2 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-517 3 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-517 4 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-517 5 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-517 6 VINNVACBDS0  876D ONVOY, LLC - MD 236   2018-01-13   
301-517 7 WASHDC127MD  073H TELNYX LLC 236   2017-03-14   
301-517 8 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-517 9 VINNVACBDS0  876D ONVOY, LLC - MD 236   2018-01-13   
301-529 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-544 A RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-545 A RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-545 0 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-545 1 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-545 2 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2017-08-17   
301-545 3 WASHDC126MD  964H BARR TELL USA, INC. 236   2018-05-08   
301-545 4 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-545 5 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-545 6 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-545 7 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-545 8 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-545 9 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-548 A GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-550 A BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-550 0 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-09-10   
301-550 1 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-09-10   
301-550 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-10-15   
301-550 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-10-17   
301-550 4 BTVLMD12CMA  5562 METROPCS, INC. 236   2022-11-14   
301-550 5 BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 6 BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 7 BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 8 BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 9 BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-590 A GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 0 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 1 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 2 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 3 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 4 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-09-16   
301-590 6 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 7 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 8 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 9 GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-601 A GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-605 A PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-605 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-09-25   
301-605 1   829J PAETEC ITEL, LLC 236   2009-11-10   
301-605 2 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-16   
301-605 3 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-16   
301-605 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-02-16   
301-605 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-03-25   
301-605 6 PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-605 7 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2007-05-02   
301-605 8 LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-605 9 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-01-14   
301-610 A RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-610 0 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-610 1 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-610 2 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-610 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-04-30   
301-610 4 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-610 5 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-610 6 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-610 7 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-610 8 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-610 9 RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-637 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-637 0 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-13   
301-637 1   829J PAETEC ITEL, LLC 236   2005-12-15   
301-637 2 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-04-07   
301-637 3 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-04-07   
301-637 4 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-637 5 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-04-03   
301-637 6 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-04-03   

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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