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Frederick, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-971 0   073H TELNYX LLC 240   2017-08-08   
240-971 1   551G NUSO, LLC 240   2018-10-14   
240-971 2   551G NUSO, LLC 240   2018-11-07   
240-971 3   551G NUSO, LLC 240   2018-11-07   
240-971 4   551G NUSO, LLC 240   2018-11-07   
240-971 5   551G NUSO, LLC 240   2018-11-07   
240-971 6   5562 METROPCS, INC. 240   2018-04-09   
240-971 7   508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-10-01   
240-971 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2018-02-05   
240-971 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2018-02-05   
301-228 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-228 0   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-05-21   
301-228 1   9212 VERIZON MARYLAND, INC. 240      
301-228 2   9212 VERIZON MARYLAND, INC. 240      
301-228 3   9212 VERIZON MARYLAND, INC. 240      
301-228 4   9212 VERIZON MARYLAND, INC. 240      
301-228 5   9212 VERIZON MARYLAND, INC. 240      
301-228 6   9212 VERIZON MARYLAND, INC. 240      
301-228 7   9212 VERIZON MARYLAND, INC. 240      
301-228 8   9212 VERIZON MARYLAND, INC. 240      
301-228 9   318J COMCAST IP PHONE, LLC 240   2018-01-01   
301-305 A FRDRMDFRKMD  5562 METROPCS, INC. 240   2024-02-09   
301-305 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-305 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-305 2   5562 METROPCS, INC. 240      
301-305 3   5562 METROPCS, INC. 240      
301-305 4   5562 METROPCS, INC. 240      
301-305 5   5562 METROPCS, INC. 240      
301-305 6   5562 METROPCS, INC. 240      
301-305 7   5562 METROPCS, INC. 240      
301-305 8   5562 METROPCS, INC. 240      
301-305 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-360 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-360 0   9212 VERIZON MARYLAND, INC. 240      
301-360 1   9212 VERIZON MARYLAND, INC. 240      
301-360 2   9212 VERIZON MARYLAND, INC. 240      
301-360 3   9212 VERIZON MARYLAND, INC. 240      
301-360 4   9212 VERIZON MARYLAND, INC. 240      
301-360 5   318J COMCAST IP PHONE, LLC 240   2016-02-09   
301-360 6   9212 VERIZON MARYLAND, INC. 240      
301-360 7   9212 VERIZON MARYLAND, INC. 240      
301-360 8   9212 VERIZON MARYLAND, INC. 240      
301-360 9   9212 VERIZON MARYLAND, INC. 240      
301-378 A FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240      
301-378 0   318J COMCAST IP PHONE, LLC 240   2007-04-06   
301-378 1   829J PAETEC ITEL, LLC 240   2011-03-04   
301-378 2   318J COMCAST IP PHONE, LLC 240   2009-08-13   
301-378 3   5562 METROPCS, INC. 240   2011-07-08   
301-378 4   5562 METROPCS, INC. 240   2011-07-08   
301-378 5   5562 METROPCS, INC. 240   2022-11-07   
301-378 6   145J TERRA NOVA TELECOM INC. 240   2022-11-07   
301-378 7   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2012-09-10   
301-378 8   318J COMCAST IP PHONE, LLC 240   2012-11-03   
301-378 9   318J COMCAST IP PHONE, LLC 240   2013-05-12   
301-401 A MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-418 A FRDRMDFRDS0  9212 VERIZON MARYLAND, INC. 240      
301-418 0   5562 METROPCS, INC. 240   2003-10-11   
301-418 1   5562 METROPCS, INC. 240   2003-10-11   
301-418 2   5562 METROPCS, INC. 240   2003-10-11   
301-418 3   5562 METROPCS, INC. 240   2004-01-31   
301-418 4   5562 METROPCS, INC. 240   2004-01-31   
301-418 5   5562 METROPCS, INC. 240   2004-06-10   
301-418 6   071F BANDWIDTH.COM CLEC, LLC - MD 240   2004-04-07   
301-418 7   9212 VERIZON MARYLAND, INC. 240   2004-08-23   
301-418 8   5562 METROPCS, INC. 240   2004-09-13   
301-418 9   9212 VERIZON MARYLAND, INC. 240   2003-01-11   
301-471 A FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
301-473 A BRHGMDBHRS1  9212 VERIZON MARYLAND, INC. 240      
301-473 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2007-12-13   
301-473 1   5562 METROPCS, INC. 240   2007-12-13   
301-473 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2007-01-25   
301-473 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2007-01-25   
301-473 4   9212 VERIZON MARYLAND, INC. 240      
301-473 5   9212 VERIZON MARYLAND, INC. 240      
301-473 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2007-12-13   
301-473 7   9212 VERIZON MARYLAND, INC. 240      
301-473 8   9212 VERIZON MARYLAND, INC. 240      
301-473 9   9212 VERIZON MARYLAND, INC. 240      
301-514 A FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
301-524 A FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2024-02-09   
301-524 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-600 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-600 0   9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 1   9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 2   9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 3   9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 4   9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 5   9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 6   9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 7   9212 VERIZON MARYLAND, INC. 240   2006-08-27   
301-600 8   9212 VERIZON MARYLAND, INC. 240   2006-08-27   

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

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