Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-743 1 Baltimore MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238   2008-07-09   
443-743 2 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-07-18   
443-743 3 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-07-18   
443-743 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-08-18   
443-743 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-08-18   
443-743 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-08-18   
443-743 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-08-18   
443-743 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-08-18   
443-743 9 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-07-03   
443-744 A Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-744 0 Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-744 1 Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-744 2 Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-744 3 Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-744 4 Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-744 5 Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-744 6 Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-744 7 Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-744 8 Reisterstown MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2017-01-20   
443-744 9 Reisterstown MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-745 A Columbia MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-746 A Easton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-746 0 Easton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2010-02-20   
443-746 1 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2020-08-18   
443-746 2 Easton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2014-10-23   
443-746 3 Easton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-746 4 Easton MD ESTNMDES5MD  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242   2015-09-01   
443-746 5 Easton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-04-12   
443-746 6 Easton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-04-12   
443-746 7 Easton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-04-30   
443-746 8 Easton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-04-30   
443-746 9 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2020-08-18   
443-747 A Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238      
443-747 0 Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2004-04-02   
443-747 1 Port Deposit MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-18   
443-747 2 Port Deposit MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-747 3 Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238      
443-747 4 Port Deposit MD BLTMMDCH3MD  228C IDT AMERICA CORP - MD 238   2012-01-08   
443-747 5 Port Deposit MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-04   
443-747 6 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-747 7 Port Deposit MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-08   
443-747 8 Port Deposit MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-747 9 Port Deposit MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-748 A Millersville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-748 0 Millersville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-748 2 Millersville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-748 3 Millersville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-748 4 Millersville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-748 6 Millersville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-748 7 Millersville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   

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Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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