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Severna Park, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-906 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-02-16   
443-906 4 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-11-11   
443-906 5 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-11-11   
443-906 6 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-11-11   
443-906 7 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-906 8   515J IP HORIZON LLC 238   2016-05-31   
443-906 9   515J IP HORIZON LLC 238   2015-03-21   
443-942 A CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-942 0 BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-06-27   
443-942 1 BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-06-27   
443-942 2 BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-06-27   
443-942 3 BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-06-27   
443-942 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2010-12-27   
443-942 5 BLTMMDCH40Z  5562 METROPCS, INC. 238   2010-12-27   
443-942 6 BLTMMDCH40Z  5562 METROPCS, INC. 238   2010-07-16   
443-942 7 BLTMMDCH40Z  5562 METROPCS, INC. 238   2010-07-16   
443-942 8 BLTMMDCH40Z  5562 METROPCS, INC. 238   2008-02-22   
443-942 9 CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-509 A   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-07-11   
667-509 0   876D ONVOY, LLC - MD 238   2025-09-28   
667-509 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2026-02-05   
667-509 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2026-02-05   
667-509 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-15   
667-509 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-15   
667-509 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-15   
667-509 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-15   
667-509 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-07-11   
667-644 A BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-644 0 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-09-29   
667-644 1 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-06-10   
667-644 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
667-644 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
667-644 4 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-644 5 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-644 6 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-06-27   
667-644 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-25   
667-644 8 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-02-09   
667-644 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-777 A BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
667-777 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-10   
667-777 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-10   
667-777 2 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-08-15   
667-777 3 BLTMMDCH40Z  5562 METROPCS, INC. 238   2018-07-12   
667-777 4 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2016-11-10   
667-777 5   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
667-777 6   145J TERRA NOVA TELECOM INC. 238   2023-08-06   
667-777 7 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2014-08-29   
667-777 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-05-01   
667-777 9 BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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