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
443-359 4 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-11-15   
443-359 5 Delmar MD SLBRMDSBXLX  318J COMCAST IP PHONE LLC 242   2006-07-31   
443-359 6 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-12-14   
443-359 7 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-01-23   
443-359 8 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-359 9 Delmar MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-360 A Aberdeen MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 236      
443-360 0 Aberdeen MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-02-27   
443-360 1 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-360 2 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-360 3 Aberdeen MD BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2012-02-29   
443-360 4 Aberdeen MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 236   2008-01-17   
443-360 5 Aberdeen MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-07-02   
443-360 6 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2008-01-31   
443-360 7 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-05   
443-360 8 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-05   
443-360 9 Aberdeen MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 236      
443-361 A Sykesville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238      
443-362 A Easton MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-362 0 Easton MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-362 1 Easton MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2016-07-14   
443-362 2 Easton MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-362 3 Easton MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2018-09-20   
443-362 4 Easton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-04-12   
443-362 5 Easton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-04-12   
443-362 6 Easton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-04-12   
443-362 7 Easton MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC. - MD 242   2019-04-12   
443-362 8 Easton MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2015-03-16   
443-362 9 Easton MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2014-03-22   
443-363 A Severn MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238      
443-363 0 Severn MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-363 1 Severn MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-363 2 Severn MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-363 3 Severn MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2019-03-31   
443-363 4 Severn MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-363 5 Severn MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-363 6 Severn MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-363 7 Severn MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2018-10-05   
443-363 8 Severn MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-25   
443-363 9 Severn MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2020-12-31   
443-364 A Ellicott City MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-364 0 Ellicott City MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-08-27   
443-364 1 Ellicott City MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2018-04-29   
443-364 2 Ellicott City MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-05-23   
443-364 3 Ellicott City MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-02-29   
443-364 4 Ellicott City MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-26   
443-364 5 Ellicott City MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-364 6 Ellicott City MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-11   
443-364 7 Ellicott City MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-11   
443-364 8 Ellicott City MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   

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

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