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Cardiff, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-452 A CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-452 0 CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-452 1 BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2003-02-25   
410-452 2 BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
410-452 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-04   
410-452 4 BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-25   
410-452 5 CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-452 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-04   
410-452 7 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-01-02   
410-452 8 CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-452 9 CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
443-236 A BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-347 A BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-347 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-31   
443-347 1 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-347 2 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-347 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-04   
443-347 4 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2017-11-09   
443-347 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-14   
443-347 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-14   
443-347 7 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-347 8 BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   
443-347 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-424 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-424 0 BLTMMDCH47Z  420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD 238   2008-09-08   
443-424 1 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2004-02-02   
443-424 2 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-424 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-15   
443-424 4 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-424 5 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-28   
443-424 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-07   
443-424 7 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-424 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-424 9 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-483 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-483 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-02-25   
443-483 1 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-483 2 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-483 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-483 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-02-07   
443-483 5 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-13   
443-483 6 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-483 7 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-483 8   145J TERRA NOVA TELECOM INC. 238   2021-01-27   
443-483 9 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-13   
667-353 A BLTQMD01DS0  469J CORETEL MARYLAND, INC. - MD 238      
667-353 0 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-10-28   
667-353 1 BLTMMDCH40Z  5562 METROPCS, INC. 238   2021-05-28   
667-353 2 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-22   
667-353 3 BLTMMDCHXMX  506J TWILIO INTERNATIONAL, INC. 238   2020-12-26   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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