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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
443-859 9 Salisbury MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
443-860 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-860 0 Catonsville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-17   
443-860 1 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-18   
443-860 2 Catonsville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-17   
443-860 3 Catonsville MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-860 4 Catonsville MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2010-12-29   
443-860 5 Catonsville MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2011-01-18   
443-860 6 Catonsville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-17   
443-860 7 Catonsville MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2011-11-04   
443-860 8 Catonsville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-860 9 Catonsville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-12-14   
443-861 A Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
443-861 0 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-861 1 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-861 2 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-861 3 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-861 4 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-861 5 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-861 6 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-861 7 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-861 8 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-861 9 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-862 A Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-862 0 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-08   
443-862 1 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-08   
443-862 2 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 3 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 4 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 5 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 6 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 7 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-10-01   
443-862 8 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-10-01   
443-862 9 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-10-01   
443-863 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-863 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-10-07   
443-863 1 Baltimore MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-10-20   
443-863 2 Baltimore MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-10-20   
443-863 3 Baltimore MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-10-20   
443-863 4 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-11-29   
443-863 5 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-11-29   
443-863 6 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-11-29   
443-863 7 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-01-10   
443-863 8 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-27   
443-863 9 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-27   
443-864 A Columbia MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-864 0 Columbia MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-864 1 Columbia MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-864 2 Columbia MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2003-04-13   
443-864 3 Columbia MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2003-11-01   

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

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