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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
667-515 5 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-515 6 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-515 7 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-515 8 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-515 9 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-516 A CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 0 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 1 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 2 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 3 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 4 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 5 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 6 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 7 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 8 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 9 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 A CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 0 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 1 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 2 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 3 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 4 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 5 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 6 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 7 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 8 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 9 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 A CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 0 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-06-27   
667-519 1 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-07-21   
667-519 2 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-06-29   
667-519 3   5562 METROPCS, INC. 238   2026-07-27   
667-519 4 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 5 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 6 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 7 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 8 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 9 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-525 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-10-04   
667-525 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-10-04   
667-525 1 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-03-22   
667-525 2 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-03-22   
667-525 3 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-03-22   
667-525 4 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-03-22   
667-525 5 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-03-22   
667-525 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-11-08   
667-525 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-10-18   
667-525 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-10-18   
667-525 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-10-18   
667-539 A CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-04-06   
667-539 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2026-05-02   
667-539 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2026-05-02   
667-539 2 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-06-27   
667-539 3 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-06-27   
667-539 4 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-06-27   
667-539 5 BLTQMD019MD  490J BOOST SUBSCRIBERCO L.L.C. 238   2026-06-14   
667-539 6 BLTQMD019MD  490J BOOST SUBSCRIBERCO L.L.C. 238   2026-07-28   
667-539 7 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-06-27   
667-539 8 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-06-27   
667-539 9 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-04-06   
667-547 A BLTMMDSNOMD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 238   2026-07-21   
667-547 1   071F BANDWIDTH.COM CLEC, LLC - MD 238   2026-08-08   
667-547 2   490J BOOST SUBSCRIBERCO L.L.C. 238   2026-08-13   
667-547 5 BLTMMDSNOMD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 238   2026-07-21   
667-547 6   490J BOOST SUBSCRIBERCO L.L.C. 238   2026-09-21   
667-547 7 BLTQMD019MD  490J BOOST SUBSCRIBERCO L.L.C. 238   2026-10-26   
667-547 8   876D ONVOY, LLC - MD 238   2026-07-22   
667-547 9   876D ONVOY, LLC - MD 238   2026-07-22   
667-600 A BLTMMDCHXMD  139F WORLDCALL INTERCONNECT INC. 238      
667-600 0 BLTMMDCHXMD  139F WORLDCALL INTERCONNECT INC. 238   2015-11-13   
667-600 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-600 2 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238   2016-07-28   
667-600 3 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238   2016-07-28   
667-600 4 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238   2016-07-28   
667-600 5 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-04-17   
667-600 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-01-02   
667-600 7 BLTMMDCHXVX  321J HD CARRIER LLC 238   2020-05-02   
667-600 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-600 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-677 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-677 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-677 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-677 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 4   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 9 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2016-11-05   
667-770 A BLTMMD915MD  691H AIRUS, INC. - MD 238      
667-770 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-11-09   
667-770 1 BLTMMD915MD  691H AIRUS, INC. - MD 238   2015-09-21   
667-770 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-11-09   
667-770 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-11-09   
667-770 4 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-11-09   
667-770 5 BLTMMDCHXVX  321J HD CARRIER LLC 238   2020-05-02   
667-770 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2019-06-13   
667-770 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2019-06-13   
667-770 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-11-09   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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