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Millersville, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-697 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-697 0 BLTMMD91DS1  2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
410-697 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-28   
410-697 2 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-11   
410-697 3 BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2005-07-25   
410-697 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-02-07   
410-697 5 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-08-13   
410-697 6 BLTMMDSN5MD  4773 XO MARYLAND, LLC 238   2005-12-23   
410-697 7 BLTMMDSN5MD  4773 XO MARYLAND, LLC 238   2005-12-23   
410-697 8 BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2006-04-03   
410-697 9 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-923 A DRCRMDDCDS0  9212 VERIZON MARYLAND, INC. 238      
443-343 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-343 0 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-04-07   
443-343 1 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2003-07-12   
443-343 2 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-343 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-343 4 BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2021-01-28   
443-343 5 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-05-20   
443-343 6 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-22   
443-343 7 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-07-28   
443-343 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-09   
443-343 9 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-494 A BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-494 0 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-494 1 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-494 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-07   
443-494 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-494 4 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-494 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-04-02   
443-494 6 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-06   
443-494 7 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-494 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
443-494 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-645 A BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-645 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-04   
443-645 1 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-645 2 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
443-645 3 BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2015-04-17   
443-645 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-24   
443-645 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-24   
443-645 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-10-20   
443-645 7 BLTQMD012MD  964H BARR TELL USA, INC. 238   2016-12-17   
443-645 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-05-31   
443-645 9 BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   
443-748 A HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-748 0 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-748 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-04-02   
443-748 2 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-748 3 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      

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Last updated: Fri, 13 May 2022 22:16:13 UTC

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