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Frederick, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
227-281 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2026-03-02   
227-281 6   876D ONVOY, LLC - MD 240   2026-01-04   
227-281 7   876D ONVOY, LLC - MD 240   2025-10-12   
227-281 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-07-29   
227-281 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-07-29   
227-666 A   876D ONVOY, LLC - MD 240   2026-02-17   
227-666 0   876D ONVOY, LLC - MD 240   2026-02-17   
227-666 6   876D ONVOY, LLC - MD 240   2026-02-17   
227-800 A FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2025-01-02   
227-800 0 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2025-01-02   
227-800 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-01-21   
227-800 2 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2025-01-02   
227-800 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-01-21   
227-800 4   876D ONVOY, LLC - MD 240   2025-04-06   
227-800 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2025-04-15   
227-800 6 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2025-01-02   
227-800 7   876D ONVOY, LLC - MD 240   2025-03-02   
227-800 8 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2025-01-02   
227-800 9 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2025-01-02   
240-215 A FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 0 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 1 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 2   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2002-04-06   
240-215 3 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-02-07   
240-215 4 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2002-06-28   
240-215 5 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2005-06-02   
240-215 6 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 7 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2005-06-02   
240-215 8 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 9 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-18   
240-225 A HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-236 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 0 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 1 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 2 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 3 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 4 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 5 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 6 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2002-06-20   
240-236 7 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 8 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
240-236 9 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2015-02-06   
240-285 A FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-285 0 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2003-08-19   
240-285 1 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2003-11-03   
240-285 2 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2004-09-29   
240-285 3 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2004-11-04   
240-285 4 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2004-12-02   
240-285 5 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2003-07-05   
240-285 6 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2004-04-20   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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