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
443-585 4 Darlington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-10   
443-585 5 Darlington MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
443-585 6 Darlington MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   
443-585 7 Darlington MD   508J CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-585 8 Darlington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-19   
443-585 9 Darlington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-19   
443-586 A Dundalk MD BLTMMDSNDS5  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 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-586 6 Dundalk MD CLMAMDORGT0  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 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-587 0 Edgewood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-587 1 Edgewood MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-587 2 Edgewood MD BLTMMD91GT0  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 BLTMMDCHXFX  318J COMCAST IP PHONE LLC 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 BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2016-06-21   
443-587 8 Edgewood MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2019-03-31   
443-587 9 Edgewood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-30   
443-588 A Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-588 0 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-588 1 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-588 2 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-588 3 Parkville MD PIVLMDPKQMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2015-09-04   
443-588 4 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-588 5 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-588 6 Parkville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-588 7 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-588 8 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2015-04-13   
443-588 9 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-589 A Cockeysville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-589 0 Cockeysville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-589 1 Cockeysville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-589 2 Cockeysville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-589 3 Cockeysville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-589 4 Cockeysville MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2013-06-14   
443-589 5 Cockeysville MD BLTMMDCH45Z  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 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-14   
443-589 8 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-14   
443-589 9 Cockeysville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      

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

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