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
443-584 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   
443-586 4 Dundalk MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   
443-586 5 Dundalk MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-586 6 Dundalk MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-586 7 Dundalk MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   
443-586 8 Dundalk MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   
443-586 9 Dundalk MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   
443-587 A Edgewood MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-587 0 Edgewood MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-587 1 Edgewood MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-587 2 Edgewood MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-587 3 Edgewood MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-587 4 Edgewood MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2016-06-17   
443-587 5 Edgewood MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-587 6 Edgewood MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-587 7 Edgewood MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2016-06-21   
443-587 8 Edgewood MD   5562 METRO PCS, INC. 238   2019-03-31   
443-587 9 Edgewood MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-588 A Parkville MD   4773 XO MARYLAND, LLC 238      
443-588 0 Parkville MD   4773 XO MARYLAND, LLC 238      
443-588 1 Parkville MD   4773 XO MARYLAND, LLC 238      
443-588 2 Parkville MD   4773 XO MARYLAND, LLC 238      
443-588 3 Parkville MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2015-09-04   
443-588 4 Parkville MD   4773 XO MARYLAND, LLC 238      
443-588 5 Parkville MD   4773 XO MARYLAND, LLC 238      
443-588 6 Parkville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-588 7 Parkville MD   4773 XO MARYLAND, LLC 238      

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

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