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Hampstead, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-374 A HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 0 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 1 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 2 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 3 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 4 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 5 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 6 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 7   829J PAETEC ITEL, LLC 238   2008-03-13   
410-374 8 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 9 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
443-291 A   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-291 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-21   
443-291 3 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-09-09   
443-291 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-03-08   
443-291 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-07-20   
443-291 7 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-03   
443-291 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-21   
443-291 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-375 A BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 0 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 1 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 2 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-04   
443-375 4 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
443-375 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-19   
443-375 6 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 7 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 8 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-507 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-507 0 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238   2003-10-17   
443-507 1   829J PAETEC ITEL, LLC 238   2003-07-20   
443-507 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
443-507 4 BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2016-01-31   
443-507 5 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238   2005-05-27   
443-507 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2009-06-13   
443-507 7 BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-02-15   
443-507 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-02   
443-507 9 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-508 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-508 0   829J PAETEC ITEL, LLC 238      
443-508 1 BLTMMDCH40Z  5562 METROPCS, INC. 238   2004-12-27   
443-508 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2013-02-17   
443-508 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2009-01-05   
443-508 4 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238   2004-10-07   
443-508 5 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-508 6 BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-09-12   
443-508 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-07   
443-508 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-508 9 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-639 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-639 0 BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   
443-639 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-05-23   
443-639 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2017-07-07   
443-639 3   829J PAETEC ITEL, LLC 238      
443-639 4 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-04   
443-639 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-04-02   
443-639 6 BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-13   
443-639 7 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-639 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-21   
443-639 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-21   
667-366 A BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-366 0   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-366 1   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-366 2 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-366 3 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-366 4 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-366 5 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-366 6 BLTQMD01BMD  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-366 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2019-02-19   
667-366 8   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-366 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2019-02-19   
667-477 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-477 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-19   
667-477 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-19   
667-477 2 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-477 3 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-477 4 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-477 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-477 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-22   
667-477 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-477 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-477 9 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-10-06   
667-489 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-08-04   
667-489 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-08-04   
667-489 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-05-17   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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