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Severn, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-679 6 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-05-31   
443-679 7 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-06-11   
443-679 8 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-06-04   
443-679 9 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-685 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-685 0   829J PAETEC ITEL, LLC 238      
443-685 1 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-12-24   
443-685 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-11   
443-685 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-05-19   
443-685 4 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-17   
443-685 5 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-17   
443-685 6 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-22   
443-685 7   515J IP HORIZON LLC 238   2016-10-14   
443-685 8 BLTMMDCH40Z  5562 METROPCS, INC. 238   2016-12-22   
443-685 9   829J PAETEC ITEL, LLC 238      
443-688 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-688 0   829J PAETEC ITEL, LLC 238      
443-688 1   829J PAETEC ITEL, LLC 238      
443-688 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-05-15   
443-688 3 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-05-15   
443-688 4 BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-02-15   
443-688 5   829J PAETEC ITEL, LLC 238      
443-688 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-10-22   
443-688 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
443-688 8 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-05-15   
443-688 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
443-734 A ODTNMDONDS0  9212 VERIZON MARYLAND, INC. 238      
443-734 0   515J IP HORIZON LLC 238   2013-09-06   
443-734 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-06   
443-734 2 BLTMMDCH40Z  5562 METROPCS, INC. 238   2015-03-06   
443-734 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-01-22   
443-734 4 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-04-02   
443-734 5 BLTMMDCH40Z  5562 METROPCS, INC. 238   2015-03-13   
443-734 6 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-11-11   
443-734 7 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
443-734 8 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
443-734 9 ODTNMDONDS0  9212 VERIZON MARYLAND, INC. 238      
443-795 A BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-795 0 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-795 1 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-10-31   
443-795 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-10-10   
443-795 3 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-795 4 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2012-07-07   
443-795 5 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-795 6   829J PAETEC ITEL, LLC 238   2004-06-25   
443-795 7 BLTQMD012MD  964H BARR TELL USA, INC. 238   2016-12-17   
443-795 8 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-01-06   
443-795 9 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2018-11-18   
667-356 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-356 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-05-24   
667-356 1 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-13   
667-356 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-13   
667-356 3 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-356 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
667-356 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
667-356 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-25   
667-356 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-22   
667-356 8 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-10-17   
667-356 9 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-10-17   
667-388 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-388 0 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-23   
667-388 1 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-23   
667-388 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-23   
667-388 3 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-23   
667-388 4 BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238   2022-04-04   
667-388 5 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-08-25   
667-388 6 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-30   
667-388 7 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-08-25   
667-388 8 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-30   
667-388 9 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-01-29   
667-410 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-410 0 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-05-20   
667-410 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-410 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-410 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-410 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-410 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-410 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-410 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-410 8 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-09-30   
667-410 9 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-09-30   
667-492 A BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2024-07-22   
667-492 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-07-23   
667-492 1 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2024-07-22   
667-492 2 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2024-07-22   
667-492 3 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2024-07-22   
667-492 4 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2024-07-22   
667-492 5 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2024-07-22   
667-492 6 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2024-07-22   
667-492 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-06   
667-492 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-07-23   
667-492 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-07-23   
667-507 A   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-05-11   
667-507 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-05-11   
667-507 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-05-11   

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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