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
443-586 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      
443-588 8 Parkville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2015-04-13   
443-588 9 Parkville MD   4773 XO MARYLAND, LLC 238      
443-589 A Cockeysville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-589 0 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 1 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 2 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 3 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 4 Cockeysville MD   5562 METRO PCS, INC. 238   2013-06-14   
443-589 5 Cockeysville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-10-19   
443-589 6 Cockeysville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
443-589 7 Cockeysville MD   876D ONVOY, LLC - MD 238   2016-03-14   
443-589 8 Cockeysville MD   876D ONVOY, LLC - MD 238   2016-03-14   
443-589 9 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-590 A Reisterstown MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-590 0 Reisterstown MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-590 1 Reisterstown MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-590 3 Reisterstown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-01-02   
443-590 4 Reisterstown MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-590 5 Reisterstown MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-590 6 Reisterstown MD   5562 METRO PCS, INC. 238   2016-12-14   
443-590 7 Reisterstown MD   876D ONVOY, LLC - MD 238   2016-03-21   
443-590 8 Reisterstown MD   964H BARR TELL USA, INC. 238   2016-12-17   
443-590 9 Reisterstown MD   876D ONVOY, LLC - MD 238   2016-03-21   
443-591 A Glen Burnie MD WDLWMDEMCM2  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-07-06   

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Last updated: Sun, 31 May 2020 11:59:01 UTC

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