Local Calling Guide

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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 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-414 1 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-414 2 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-414 3 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-414 4 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-414 5 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-414 6 BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2004-03-27   
410-414 7 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-414 8 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
410-414 9 PRFRMDPFRS1  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 BLTMMDCHW29  2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-295 2 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
443-295 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-295 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-295 5 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-06   
443-295 6 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-03-04   
443-295 7 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-295 8 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2016-06-06   
443-295 9 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
443-432 A BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-432 0 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-12-07   
443-432 1 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-432 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-20   
443-432 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-10-15   
443-432 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-20   
443-432 5 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-08   
443-432 6   515J IP HORIZON LLC 238   2015-03-23   
443-432 7 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-432 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-10-10   
443-432 9 BLTMMDCH40Z  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 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-10   
443-486 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-14   
443-486 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-10   
443-486 4 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238   2004-07-15   
443-486 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2013-09-06   
443-486 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
443-486 7 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
443-486 8 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-03-31   
443-486 9 BLTOMDKHBMD  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: Tue, 16 Apr 2024 01:38:01 UTC

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