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Frederick, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-600 7 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 8 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 9 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-606 A FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
301-619 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-620 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-624 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-624 0 FRDRMDFRKMD  5562 METROPCS, INC. 240   2019-08-30   
301-624 1 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-624 2 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-624 3 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2014-12-13   
301-624 4 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-624 5 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-624 6 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-624 7 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-624 8 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-624 9 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2014-12-13   
301-631 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 0 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 1 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 2 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 3 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 4 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2015-11-27   
301-631 5 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 6 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 7 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 8 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 9 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-639 A FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
301-644 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-644 0 FRDRMDFRIMD  551G NUSO, LLC 240   2018-11-07   
301-644 1 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-644 2 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-644 3 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-644 4 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-644 5 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-644 6 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-644 7 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-644 8 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-644 9 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-662 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-663 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-668 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-673 A MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-673 0 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2023-04-22   
301-673 1 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-08-10   
301-673 2 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-673 3 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-08-10   
301-673 4 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-673 5 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      

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

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