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Washington Zone 6, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-410 9 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-06-26   
301-485 A ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-485 0 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2012-10-07   
301-485 1 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-485 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-02   
301-485 3   829J PAETEC ITEL, LLC 236   2015-09-04   
301-485 4 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-28   
301-485 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
301-485 6 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
301-485 7   829J PAETEC ITEL, LLC 236   2006-09-02   
301-485 8 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2008-04-24   
301-485 9 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-505 A TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-521 A OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236      
301-567 A OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236      
301-630 A TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-686 A OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236      
301-686 0 OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236      
301-686 1 OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236      
301-686 2 OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236   2005-09-29   
301-686 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-10-01   
301-686 4 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-10-12   
301-686 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-28   
301-686 7 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
301-686 8 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2009-08-28   
301-686 9 OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236      
301-747 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-747 0 WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2015-06-06   
301-747 1 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
301-747 2   515J IP HORIZON LLC 236   2016-05-31   
301-747 3 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-29   
301-747 4 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-10-02   
301-747 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-16   
301-747 6 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
301-747 7 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
301-747 8 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-02-07   
301-747 9 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-749 A OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236      
301-753 A LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-753 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-09-29   
301-753 1 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-753 2 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-753 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-12-03   
301-753 4 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-753 5 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-753 6 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-753 7 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2017-04-14   
301-753 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-12-03   
301-753 9 LPLTMDLADS0  9212 VERIZON MARYLAND, INC. 236      
301-839 A OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236      

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

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