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
443-209 0 Havre de Grace MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-209 1 Havre de Grace MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-209 2 Havre de Grace MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-209 3 Havre de Grace MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-209 4 Havre de Grace MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-209 5 Havre de Grace MD BLTMMDCH21Z  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-10-07   
443-209 6 Havre de Grace MD   318J COMCAST IP PHONE LLC 238   2020-10-16   
443-209 7 Havre de Grace MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2009-03-02   
443-209 8 Havre de Grace MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-209 9 Havre de Grace MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-210 A Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242      
443-210 0 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2015-06-21   
443-210 1 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2015-06-21   
443-210 2 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE LLC 242   2013-03-07   
443-210 3 Salisbury MD ESTNMDES5MD  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242   2011-11-18   
443-210 4 Salisbury MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2014-10-23   
443-210 5 Salisbury MD SLBRMDSC2MD  5562 METRO PCS, INC. 242   2016-10-01   
443-210 6 Salisbury MD SLBRMDSC2MD  5562 METRO PCS, INC. 242   2016-11-23   
443-210 7 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2011-11-14   
443-210 8 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2011-11-14   
443-210 9 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2011-11-14   
443-212 A Sparks-Glencoe MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-212 1 Sparks-Glencoe MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238   2003-03-29   
443-212 2 Sparks-Glencoe MD   145J TERRA NOVA TELECOM INC. 238   2021-01-28   
443-212 3 Sparks-Glencoe MD   876D ONVOY, LLC - MD 238   2021-03-04   
443-212 4 Sparks-Glencoe MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2004-09-28   
443-212 5 Sparks-Glencoe MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2005-03-10   
443-212 6 Sparks-Glencoe MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-06-03   
443-212 7 Sparks-Glencoe MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-07-01   
443-212 8 Sparks-Glencoe MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
443-213 A Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
443-213 0 Pikesville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-09-07   
443-213 1 Pikesville MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2006-09-11   
443-213 2 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238   2003-09-26   
443-213 3 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238   2003-09-26   
443-213 4 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-213 5 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2014-07-13   
443-213 6 Pikesville MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2003-09-26   
443-213 7 Pikesville MD CLMAMDJTDSA  2589 US LEC OF MARYLAND, INC. 238   2016-12-07   
443-213 8 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2011-06-28   
443-213 9 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-214 A Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-214 0 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-02-22   
443-214 1 Annapolis MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2013-09-06   
443-214 2 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-03-16   
443-214 3 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2013-08-10   
443-214 4 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-07-16   
443-214 5 Annapolis MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2013-09-30   
443-214 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-10-11   
443-214 7 Annapolis MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2011-12-17   

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Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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