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Prince Frederick, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-414 A PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-414 0   9212 VERIZON MARYLAND, INC. 238      
410-414 1   9212 VERIZON MARYLAND, INC. 238      
410-414 2   9212 VERIZON MARYLAND, INC. 238      
410-414 3   9212 VERIZON MARYLAND, INC. 238      
410-414 4   9212 VERIZON MARYLAND, INC. 238      
410-414 5   9212 VERIZON MARYLAND, INC. 238      
410-414 6   829J PAETEC ITEL, LLC 238   2004-03-27   
410-414 7   9212 VERIZON MARYLAND, INC. 238      
410-414 8   9212 VERIZON MARYLAND, INC. 238      
410-414 9   9212 VERIZON MARYLAND, INC. 238      
410-474 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-495 A MUTLMDMTRS0  9212 VERIZON MARYLAND, INC. 238      
410-535 A PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-586 A MUTLMDMTRS0  9212 VERIZON MARYLAND, INC. 238      
410-610 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-295 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-295 0   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-04-02   
443-295 1   829J PAETEC ITEL, LLC 238   2004-02-05   
443-295 2   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
443-295 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-295 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-295 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-06   
443-295 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-03-04   
443-295 7   318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-295 8   318J COMCAST IP PHONE, LLC 238   2016-06-06   
443-295 9   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
443-432 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-432 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-12-07   
443-432 1   829J PAETEC ITEL, LLC 238      
443-432 2   876D ONVOY, LLC - MD 238   2014-10-20   
443-432 3   318J COMCAST IP PHONE, LLC 238   2014-10-15   
443-432 4   876D ONVOY, LLC - MD 238   2014-10-20   
443-432 5   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-08   
443-432 6   515J IP HORIZON LLC 238   2015-03-23   
443-432 7   508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-432 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-10-10   
443-432 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-12-27   
443-486 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-486 0   145J TERRA NOVA TELECOM INC. 238   2021-07-16   
443-486 1   876D ONVOY, LLC - MD 238   2016-03-10   
443-486 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-14   
443-486 3   876D ONVOY, LLC - MD 238   2016-03-10   
443-486 4   9212 VERIZON MARYLAND, INC. 238   2004-07-15   
443-486 5   318J COMCAST IP PHONE, LLC 238   2013-09-06   
443-486 6   876D ONVOY, LLC - MD 238   2021-09-23   
443-486 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
443-486 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-03-31   
443-486 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-12-15   
443-532 A BLTMMDCH40Z  5562 METROPCS, INC. 238      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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