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
443-354 9 Glen Burnie MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2013-09-06   
443-355 A Ellicott City MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-355 0 Ellicott City MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   
443-355 1 Ellicott City MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2017-01-19   
443-355 2 Ellicott City MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-355 3 Ellicott City MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2017-01-19   
443-355 4 Ellicott City MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-355 5 Ellicott City MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2017-03-25   
443-355 6 Ellicott City MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
443-355 7 Ellicott City MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
443-355 8 Ellicott City MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2017-10-14   
443-355 9 Ellicott City MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-10-20   
443-356 A Bel Air MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-356 0 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-02   
443-356 1 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-356 2 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-356 3 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-07-07   
443-356 4 Bel Air MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-356 5 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-356 6 Bel Air MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
443-356 7 Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-10-25   
443-356 8 Bel Air MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-10-11   
443-356 9 Bel Air MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-10-11   
443-357 A Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
443-357 0 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-357 1 Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
443-357 2 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-357 3 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-357 4 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-29   
443-357 5 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-357 6 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-357 7 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-29   
443-357 8 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-357 9 Pikesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-358 A Salisbury MD SLBRMDSC9MD  281E YMAX COMMUNICATIONS CORP. - MD 242      
443-358 0 Salisbury MD SLBRMDSC9MD  281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 1 Salisbury MD SLBRMDSC9MD  281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 2 Salisbury MD SLBRMDSC9MD  281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 3 Salisbury MD SLBRMDSC9MD  281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 4 Salisbury MD SLBRMDSC9MD  281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 5 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE LLC 242   2014-03-24   
443-358 6 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE LLC 242   2017-08-31   
443-358 7 Salisbury MD SLBRMDSC2MD  5562 METRO PCS, INC. 242   2017-10-02   
443-358 8 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2011-10-10   
443-358 9 Salisbury MD SLBRMDSBRMD  6664 SPRINT SPECTRUM L.P. 242   2011-10-10   
443-359 A Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-359 0 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-359 1 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-359 2 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-359 3 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      

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

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