Local Calling Guide

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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-853 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2018-12-13   
443-854 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-857 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-858 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-863 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-863 0 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-10-07   
443-863 1 BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-10-20   
443-863 2 BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-10-20   
443-863 3 BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-10-20   
443-863 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-11-29   
443-863 5 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-11-29   
443-863 6 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-11-29   
443-863 7 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-01-10   
443-863 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-27   
443-863 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-27   
443-865 A BLTMMDCH40Z  6664 SPRINT SPECTRUM, L.P. 238      
443-865 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-865 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-865 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-865 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-865 4 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-865 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-865 6 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-865 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-865 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-865 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-869 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-869 0 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-05   
443-869 1 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-07   
443-869 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-10-07   
443-869 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-10-07   
443-869 4 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-10-07   
443-869 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-10-07   
443-869 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2009-09-10   
443-872 A HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-872 0 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-872 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-02-04   
443-872 2 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2003-09-22   
443-872 3 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2003-09-22   
443-872 4 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2003-09-22   
443-872 5 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2003-09-22   
443-872 6 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2003-06-26   
443-872 7 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2003-06-26   
443-872 8 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2003-06-26   
443-872 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-06-16   
443-873 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-873 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-873 1 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2010-06-03   
443-873 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2010-04-16   
443-873 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-04-03   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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