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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
667-515 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-515 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-515 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-515 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-515 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-515 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-516 A   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-516 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 A   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-518 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 A   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 0   490J DISH WIRELESS, LLC 238   2025-08-25   
667-519 1   490J DISH WIRELESS, LLC 238   2025-09-29   
667-519 2   490J DISH WIRELESS, LLC 238   2025-10-27   
667-519 3   490J DISH WIRELESS, LLC 238   2025-11-24   
667-519 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
667-519 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-08-14   
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   829J PAETEC ITEL, LLC 238   2016-07-28   
667-600 3   829J PAETEC ITEL, LLC 238   2016-07-28   
667-600 4   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   
667-770 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-11-09   
667-771 A BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238      
667-771 0 BLTMMDCHPMD  820C INTRADO COMMUNICATIONS, LLC 238   2016-08-20   
667-771 1 BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238   2016-02-04   
667-771 2 BLTMMDCHDMD  551G NUSO, LLC 238   2016-08-31   
667-771 3 BLTMMDCHDMD  551G NUSO, LLC 238   2016-08-31   
667-771 4 BLTMMDCHDMD  551G NUSO, LLC 238   2016-08-31   
667-771 5 BLTMMDCHDMD  551G NUSO, LLC 238   2016-08-31   
667-771 6 BLTMMDCHDMD  551G NUSO, LLC 238   2016-08-31   
667-771 7 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2016-11-05   
667-771 8 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2016-11-05   
667-771 9   515J IP HORIZON LLC 238   2016-05-31   
667-776 A BLTMMDCHXVX  321J HD CARRIER LLC 238      
667-776 0 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2019-12-28   
667-776 1 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-04-08   
667-776 2 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-04-08   
667-776 3 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-04-08   
667-776 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-04-08   
667-776 5 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-04-08   
667-776 6 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-04-08   
667-776 7 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-04-08   
667-776 8 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-04-08   
667-776 9 BLTMMDCHXVX  321J HD CARRIER LLC 238   2019-11-15   
667-867 A BLTQMD013MD  939H COMMIO, LLC 238      
667-867 0 BLTMMDCHDMD  551G NUSO, LLC 238   2018-10-14   
667-867 1 BLTMMDCHDMD  551G NUSO, LLC 238   2018-10-14   
667-867 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
667-867 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
667-867 4   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   

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Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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