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Chase, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-335 A CHASMDCHRP0  9212 VERIZON MARYLAND, INC. 238      
410-344 A CHASMDCHRP0  9212 VERIZON MARYLAND, INC. 238      
410-344 0   9212 VERIZON MARYLAND, INC. 238      
410-344 1   9212 VERIZON MARYLAND, INC. 238      
410-344 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-03-13   
410-344 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-05-30   
410-344 4   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-09   
410-344 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-06-08   
410-344 6   318J COMCAST IP PHONE, LLC 238   2012-07-21   
410-344 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-01-02   
410-344 8   829J PAETEC ITEL, LLC 238   2003-02-25   
410-344 9   9212 VERIZON MARYLAND, INC. 238      
410-630 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-630 0   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
410-630 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-12-12   
410-630 2   318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-630 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
410-630 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-02-07   
410-630 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
410-630 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
410-630 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
410-630 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-12-12   
410-630 9   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-228 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-228 0   829J PAETEC ITEL, LLC 238      
443-228 1   829J PAETEC ITEL, LLC 238      
443-228 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-18   
443-228 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-12-12   
443-228 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-26   
443-228 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
443-228 7   515J IP HORIZON LLC 238   2016-05-31   
443-228 8   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-228 9   624H ONVOY SPECTRUM, LLC 238   2021-02-24   
443-317 A   071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-317 2   876D ONVOY, LLC - MD 238   2012-10-08   
443-317 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-09   
443-317 6   318J COMCAST IP PHONE, LLC 238   2015-08-05   
443-317 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-07-14   
443-317 8   318J COMCAST IP PHONE, LLC 238   2007-04-12   
443-317 9   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-04-27   
443-489 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-489 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2001-11-19   
443-489 1   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-489 2   876D ONVOY, LLC - MD 238   2016-03-24   
443-489 3   829J PAETEC ITEL, LLC 238   2007-01-24   
443-489 4   876D ONVOY, LLC - MD 238   2016-03-24   
443-489 5   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-489 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-489 7   508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-489 8   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-489 9   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-554 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-554 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-554 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-12-13   
443-554 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-12-13   
443-554 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-10-09   
443-554 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-12-24   
443-554 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-12-24   
443-554 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-554 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-07-14   
443-554 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-11-17   
443-554 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-581 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-581 0   876D ONVOY, LLC - MD 238   2021-03-04   
443-581 1   876D ONVOY, LLC - MD 238   2021-03-04   
443-581 3   145J TERRA NOVA TELECOM INC. 238   2024-09-12   
443-581 5   624H ONVOY SPECTRUM, LLC 238   2021-02-24   
443-581 6   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-30   
443-581 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-30   
443-581 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-07-06   
443-581 9   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
443-626 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-626 0   829J PAETEC ITEL, LLC 238      
443-626 1   624H ONVOY SPECTRUM, LLC 238   2020-07-08   
443-626 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
443-626 3   624H ONVOY SPECTRUM, LLC 238   2020-07-08   
443-626 4   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-04   
443-626 5   829J PAETEC ITEL, LLC 238      
443-626 6   515J IP HORIZON LLC 238   2015-03-21   
443-626 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-09-22   
443-626 8   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-06-21   
443-626 9   624H ONVOY SPECTRUM, LLC 238   2020-07-08   
667-344 A BLTMMDCHX7X  073H TELNYX LLC 238      
667-344 0   073H TELNYX LLC 238   2017-04-26   
667-344 1   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
667-344 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
667-344 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
667-344 4   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-22   
667-344 5   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
667-344 6   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-28   
667-344 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
667-344 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-01-19   
667-344 9   145J TERRA NOVA TELECOM INC. 238   2025-07-25   
667-375 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-375 0   939H COMMIO, LLC 238   2022-11-06   
667-375 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-22   
667-375 2   516J TON80 COMMUNICATIONS, LLC 238   2022-04-01   
667-375 3   876D ONVOY, LLC - MD 238   2022-04-25   
667-375 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-30   
667-375 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-30   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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