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Washington Zone 11, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-231 5 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-231 6 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-231 7 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-231 8 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-231 9 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 0 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 1 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 2 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 3 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 4 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 5 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 6 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 7 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 8 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-255 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-287 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-287 0 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-287 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-287 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-287 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-287 4 VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-12-08   
301-287 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-12-08   
301-287 6 VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-12-08   
301-287 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
301-287 8   829J PAETEC ITEL, LLC 236   2004-03-27   
301-287 9 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-321 A VINNVACBDS0  876D ONVOY, LLC - MD 236      
301-321 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-321 1 SLSPMD913MD  939H COMMIO, LLC 236   2021-08-29   
301-321 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-321 3   829J PAETEC ITEL, LLC 236   2014-06-09   
301-321 4 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-09-01   
301-321 5 RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236   2005-12-12   
301-321 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-321 7 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-01-07   
301-321 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-01-07   
301-321 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-348 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-348 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-348 1 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-348 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-348 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-348 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-348 5 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-08-03   
301-348 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2012-08-26   
301-348 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
301-348 8 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-02-24   
301-348 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-382 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-413 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-443 A RKVLMDMRRS1  9212 VERIZON MARYLAND, INC. 236      
301-460 A SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-468 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-522 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 A SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 0 SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 1 SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 2 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-07-13   
301-603 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
301-603 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-603 5 WASHDC126MD  964H BARR TELL USA, INC. 236   2018-05-08   
301-603 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-07-30   
301-603 7 SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 8 SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-603 9 SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-649 A SLSPMDNWDS0  9212 VERIZON MARYLAND, INC. 236      
301-692 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-692 0 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-692 1 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-692 2 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-692 3 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-692 4 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-692 5   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-692 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-692 7 WASIDCRG7MD  508J CENTURYLINK COMMUNICATIONS, LLC 236   2013-10-01   
301-692 8   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-692 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-761 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-761 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-761 1 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-29   
301-761 2 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-04-19   
301-761 3 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-29   
301-761 4 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-761 5 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-02-21   
301-761 6 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-11-22   
301-761 7 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-10-23   
301-761 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-02-23   
301-761 9 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-09-01   
301-770 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-816 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-822 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-822 0 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-09-01   
301-822 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-822 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-02-09   
301-822 3 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-09-01   
301-822 4 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2013-10-03   
301-822 5 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-09-01   
301-822 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-24   
301-822 7 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-09-01   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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