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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 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2026-09-13   
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 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2026-09-13   
667-547 4   820C INTRADO COMMUNICATIONS, LLC 238   2026-09-13   
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   
667-558 A   876D ONVOY, LLC - MD 238   2026-12-11   
667-558 0   876D ONVOY, LLC - MD 238   2026-12-11   
667-560 A   5562 METROPCS, INC. 238   2026-10-02   
667-560 0   820C INTRADO COMMUNICATIONS, LLC 238   2026-10-05   
667-560 1   820C INTRADO COMMUNICATIONS, LLC 238   2026-10-05   
667-560 2   5562 METROPCS, INC. 238   2026-10-05   
667-560 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-05   
667-560 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-05   
667-560 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-05   
667-560 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-05   
667-560 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-05   
667-560 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-05   
667-560 9   5562 METROPCS, INC. 238   2026-10-02   
667-570 A   5562 METROPCS, INC. 238   2026-10-22   
667-570 0   876D ONVOY, LLC - MD 238   2026-10-23   
667-570 1   071F BANDWIDTH.COM CLEC, LLC - MD 238   2026-11-07   
667-570 2   071F BANDWIDTH.COM CLEC, LLC - MD 238   2026-11-07   
667-570 3   876D ONVOY, LLC - MD 238   2026-11-13   
667-570 4   876D ONVOY, LLC - MD 238   2026-11-13   
667-570 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-23   
667-570 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-23   
667-570 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-23   
667-570 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-10-23   
667-570 9   5562 METROPCS, INC. 238   2026-10-22   
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   

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Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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