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Towson, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-991 4   318J COMCAST IP PHONE, LLC 238   2014-03-26   
443-991 5   318J COMCAST IP PHONE, LLC 238   2015-04-14   
443-991 6   5562 METROPCS, INC. 238   2013-08-01   
443-991 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2012-02-27   
443-991 8   876D ONVOY, LLC - MD 238   2012-02-29   
443-991 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-11-01   
667-206 A BLTMMDCH40Z  5562 METROPCS, INC. 238      
667-206 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-09-22   
667-206 1   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2015-10-15   
667-206 2   318J COMCAST IP PHONE, LLC 238   2016-12-12   
667-206 3   876D ONVOY, LLC - MD 238   2016-01-11   
667-206 4   318J COMCAST IP PHONE, LLC 238   2014-08-31   
667-206 5   876D ONVOY, LLC - MD 238   2014-10-11   
667-206 6   876D ONVOY, LLC - MD 238   2014-10-11   
667-206 7   515J IP HORIZON LLC 238   2016-01-04   
667-206 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-12-27   
667-206 9   5562 METROPCS, INC. 238   2013-09-14   
667-251 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-251 0   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 1   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 8   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 9   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-275 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
667-275 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-12-15   
667-275 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-12-15   
667-275 2   516J TON80 COMMUNICATIONS, LLC 238   2021-06-28   
667-275 3   876D ONVOY, LLC - MD 238   2021-07-12   
667-275 4   876D ONVOY, LLC - MD 238   2021-07-12   
667-275 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-20   
667-275 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-20   
667-275 7   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2019-12-28   
667-275 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-03-17   
667-275 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-09-04   
667-278 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-278 0   197D VONAGE AMERICA LLC 238   2020-05-13   
667-278 1   197D VONAGE AMERICA LLC 238   2020-05-13   
667-278 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-07-20   
667-278 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-08-14   
667-278 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-08-14   
667-278 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-24   
667-278 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-24   
667-278 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-24   
667-278 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-24   
667-278 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-23   
667-294 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-294 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2020-11-06   
667-294 1   624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-294 2   876D ONVOY, LLC - MD 238   2025-09-28   
667-294 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-09-30   
667-294 4   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-02-26   
667-294 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-308 A BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
667-308 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-20   
667-308 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-19   
667-308 2   318J COMCAST IP PHONE, LLC 238   2013-07-24   
667-308 3   876D ONVOY, LLC - MD 238   2014-09-01   
667-308 4   5562 METROPCS, INC. 238   2013-08-15   
667-308 5   5562 METROPCS, INC. 238   2013-09-06   
667-308 6   5562 METROPCS, INC. 238   2013-09-06   
667-308 7   508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-10-01   
667-308 8   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-01-11   
667-308 9   515J IP HORIZON LLC 238   2013-09-06   
667-331 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-331 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-08-23   
667-331 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-10   
667-331 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-10   
667-331 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-10   
667-331 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-08-23   
667-331 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   
667-331 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   
667-331 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   
667-331 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   
667-331 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   
667-383 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-383 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-03   
667-383 1   624H ONVOY SPECTRUM, LLC 238   2022-03-20   
667-383 2   624H ONVOY SPECTRUM, LLC 238   2022-03-20   
667-383 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-03   
667-383 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-383 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-19   
667-383 7   876D ONVOY, LLC - MD 238   2022-10-16   
667-383 8   876D ONVOY, LLC - MD 238   2022-10-16   
667-383 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-403 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-403 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-01   
667-403 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-01   
667-403 2   876D ONVOY, LLC - MD 238   2021-10-31   
667-403 3   624H ONVOY SPECTRUM, LLC 238   2021-11-18   
667-403 4   624H ONVOY SPECTRUM, LLC 238   2021-11-18   
667-403 5   624H ONVOY SPECTRUM, LLC 238   2021-11-18   

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

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