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Frederick, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-600 9   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   5562 METROPCS, INC. 240   2019-08-30   
301-624 1   9212 VERIZON MARYLAND, INC. 240      
301-624 2   9212 VERIZON MARYLAND, INC. 240      
301-624 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2014-12-13   
301-624 4   9212 VERIZON MARYLAND, INC. 240      
301-624 5   9212 VERIZON MARYLAND, INC. 240      
301-624 6   9212 VERIZON MARYLAND, INC. 240      
301-624 7   9212 VERIZON MARYLAND, INC. 240      
301-624 8   9212 VERIZON MARYLAND, INC. 240      
301-624 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2014-12-13   
301-631 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-631 0   9212 VERIZON MARYLAND, INC. 240      
301-631 1   9212 VERIZON MARYLAND, INC. 240      
301-631 2   9212 VERIZON MARYLAND, INC. 240      
301-631 3   9212 VERIZON MARYLAND, INC. 240      
301-631 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2015-11-27   
301-631 5   9212 VERIZON MARYLAND, INC. 240      
301-631 6   9212 VERIZON MARYLAND, INC. 240      
301-631 7   9212 VERIZON MARYLAND, INC. 240      
301-631 8   9212 VERIZON MARYLAND, INC. 240      
301-631 9   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   551G NUSO, LLC 240   2018-11-07   
301-644 1   9212 VERIZON MARYLAND, INC. 240      
301-644 2   9212 VERIZON MARYLAND, INC. 240      
301-644 3   9212 VERIZON MARYLAND, INC. 240      
301-644 4   9212 VERIZON MARYLAND, INC. 240      
301-644 5   9212 VERIZON MARYLAND, INC. 240      
301-644 6   9212 VERIZON MARYLAND, INC. 240      
301-644 7   9212 VERIZON MARYLAND, INC. 240      
301-644 8   9212 VERIZON MARYLAND, INC. 240      
301-644 9   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   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2023-04-22   
301-673 1   876D ONVOY, LLC - MD 240   2023-08-10   
301-673 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-673 3   876D ONVOY, LLC - MD 240   2023-08-10   
301-673 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-673 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-673 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-673 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-673 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-673 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-676 A MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-682 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-682 0   9212 VERIZON MARYLAND, INC. 240      
301-682 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2015-11-27   
301-682 2   318J COMCAST IP PHONE, LLC 240   2015-02-27   
301-682 3   9212 VERIZON MARYLAND, INC. 240      
301-682 4   9212 VERIZON MARYLAND, INC. 240      
301-682 5   9212 VERIZON MARYLAND, INC. 240      
301-682 6   9212 VERIZON MARYLAND, INC. 240      
301-682 7   9212 VERIZON MARYLAND, INC. 240      
301-682 8   9212 VERIZON MARYLAND, INC. 240      
301-682 9   9212 VERIZON MARYLAND, INC. 240      
301-693 A FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-694 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-695 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-696 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-698 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-712 A FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
301-712 0   5562 METROPCS, INC. 240   2004-10-03   
301-712 1   5562 METROPCS, INC. 240   2004-10-03   
301-712 2   5562 METROPCS, INC. 240   2005-02-11   
301-712 3   5562 METROPCS, INC. 240   2005-12-10   
301-712 4   876D ONVOY, LLC - MD 240   2026-01-19   
301-712 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2006-04-24   
301-712 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2006-04-24   
301-712 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2006-04-24   
301-712 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2006-04-24   
301-712 9   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2004-09-13   
301-732 A FRDRMDFRKMD  5562 METROPCS, INC. 240      
301-732 0   5562 METROPCS, INC. 240   2014-12-01   
301-732 1   5562 METROPCS, INC. 240   2013-06-14   
301-732 2   5562 METROPCS, INC. 240   2013-08-01   
301-732 3   5562 METROPCS, INC. 240   2014-12-23   
301-732 4   318J COMCAST IP PHONE, LLC 240   2015-08-11   
301-732 5   318J COMCAST IP PHONE, LLC 240   2011-12-04   
301-732 6   318J COMCAST IP PHONE, LLC 240   2013-09-18   
301-732 7   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-05-21   
301-732 8   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2015-07-21   
301-732 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2014-10-10   
301-748 A FRDRMDFRKMD  5562 METROPCS, INC. 240   2024-02-09   
301-748 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-748 1   5562 METROPCS, INC. 240      
301-748 2   5562 METROPCS, INC. 240      
301-748 3   5562 METROPCS, INC. 240      
301-748 4   5562 METROPCS, INC. 240      
301-748 5   5562 METROPCS, INC. 240      
301-748 6   5562 METROPCS, INC. 240      
301-748 7   5562 METROPCS, INC. 240      

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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