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
443-334 0 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-04-02   
443-334 1 Pikesville MD   4773 XO MARYLAND, LLC 238      
443-334 2 Pikesville MD   9212 VERIZON MARYLAND, INC. 238   2003-10-30   
443-334 3 Pikesville MD   9212 VERIZON MARYLAND, INC. 238   2003-10-30   
443-334 4 Pikesville MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2005-03-10   
443-334 5 Pikesville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2013-10-30   
443-334 6 Pikesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-09-08   
443-334 7 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-10-24   
443-334 8 Pikesville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-12-04   
443-334 9 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-335 A Brooklyn Park-Linthicum MD   4773 XO MARYLAND, LLC 238      
443-335 0 Brooklyn Park-Linthicum MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-335 1 Brooklyn Park-Linthicum MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-335 2 Brooklyn Park-Linthicum MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2018-11-18   
443-335 3 Brooklyn Park-Linthicum MD   4773 XO MARYLAND, LLC 238      
443-335 4 Brooklyn Park-Linthicum MD   5562 METRO PCS, INC. 238   2019-10-13   
443-336 A Annapolis MD   6664 SPRINT SPECTRUM L.P. 238      
443-337 A Sparrows Point MD   2593 CORE COMMUNICATIONS, INC. - MD 238      
443-337 1 Sparrows Point MD   5562 METRO PCS, INC. 238   2019-10-13   
443-337 2 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-29   
443-337 3 Sparrows Point MD   5562 METRO PCS, INC. 238   2017-10-01   
443-337 4 Sparrows Point MD   5562 METRO PCS, INC. 238   2018-01-06   
443-337 5 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-337 6 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-337 7 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-337 8 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-29   
443-337 9 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-07-31   
443-338 A Sparks-Glencoe MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-338 0 Sparks-Glencoe MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-06-07   
443-338 1 Sparks-Glencoe MD   082H LOCAL ACCESS LLC - MD 238   2015-03-21   
443-338 2 Sparks-Glencoe MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-338 3 Sparks-Glencoe MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-06   
443-338 4 Sparks-Glencoe MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2015-08-06   
443-338 5 Sparks-Glencoe MD   082H LOCAL ACCESS LLC - MD 238   2016-05-31   
443-338 6 Sparks-Glencoe MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2017-02-27   
443-338 7 Sparks-Glencoe MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-338 8 Sparks-Glencoe MD   876D ONVOY, LLC - MD 238   2016-03-26   
443-338 9 Sparks-Glencoe MD   876D ONVOY, LLC - MD 238   2016-03-26   
443-339 A Sherwood Forest MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-339 0 Sherwood Forest MD   073H TELNYX LLC 238   2017-04-26   
443-339 1 Sherwood Forest MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-339 3 Sherwood Forest MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
443-339 4 Sherwood Forest MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
443-339 5 Sherwood Forest MD   876D ONVOY, LLC - MD 238   2016-03-18   
443-339 6 Sherwood Forest MD   876D ONVOY, LLC - MD 238   2016-03-18   
443-339 7 Sherwood Forest MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-339 8 Sherwood Forest MD   876D ONVOY, LLC - MD 238   2014-09-27   
443-339 9 Sherwood Forest MD   876D ONVOY, LLC - MD 238   2014-09-27   
443-340 A Westminster MD WDLWMDEMCM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-341 A Catonsville MD BLTMMDSNRS0  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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