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
443-581 7 Chase MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-07-30   
443-581 8 Chase MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2019-07-06   
443-581 9 Chase MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-582 A Churchville MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-582 0 Churchville MD   073H TELNYX LLC 238   2017-04-26   
443-582 1 Churchville MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-582 2 Churchville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-07-30   
443-582 3 Churchville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2017-05-29   
443-582 4 Churchville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-582 5 Churchville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-582 6 Churchville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-07-30   
443-582 8 Churchville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-07-28   
443-582 9 Churchville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-05-31   
443-583 A Columbia MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-583 0 Columbia MD   876D ONVOY, LLC - MD 238   2016-03-03   
443-583 1 Columbia MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-583 2 Columbia MD   2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2016-01-31   
443-583 3 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-31   
443-583 4 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-31   
443-583 5 Columbia MD   876D ONVOY, LLC - MD 238   2014-09-01   
443-583 6 Columbia MD   5562 METRO PCS, INC. 238   2015-05-29   
443-583 7 Columbia MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-09-16   
443-583 8 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-583 9 Columbia MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2014-11-08   
443-584 A Crofton MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-584 1 Crofton MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-584 2 Crofton MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-584 3 Crofton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-06   
443-584 4 Crofton MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-07-20   
443-584 5 Crofton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-21   
443-584 6 Crofton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-21   
443-584 7 Crofton MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-584 8 Crofton MD   082H LOCAL ACCESS LLC - MD 238   2016-10-14   
443-584 9 Crofton MD   082H LOCAL ACCESS LLC - MD 238   2015-03-21   
443-585 A Darlington MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-585 0 Darlington MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-21   
443-585 1 Darlington MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-585 2 Darlington MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-21   
443-585 3 Darlington MD   876D ONVOY, LLC - MD 238   2016-04-10   
443-585 4 Darlington MD   876D ONVOY, LLC - MD 238   2016-04-10   
443-585 5 Darlington MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
443-585 6 Darlington MD   073H TELNYX LLC 238   2017-04-26   
443-585 7 Darlington MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-585 8 Darlington MD   876D ONVOY, LLC - MD 238   2014-09-19   
443-585 9 Darlington MD   876D ONVOY, LLC - MD 238   2014-09-19   
443-586 A Dundalk MD   4773 XO MARYLAND, LLC 238      
443-586 0 Dundalk MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   
443-586 1 Dundalk MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   
443-586 2 Dundalk MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   
443-586 3 Dundalk MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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