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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
443-574 7 Ellicott City MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-28   
443-574 8 Ellicott City MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238   2003-05-25   
443-574 9 Ellicott City MD   2589 US LEC OF MARYLAND, INC. 238      
443-575 A Arbutus MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-575 0 Arbutus MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-575 1 Arbutus MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-575 2 Arbutus MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-575 3 Arbutus MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-575 4 Arbutus MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-11-09   
443-575 5 Arbutus MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-575 6 Arbutus MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-04-10   
443-575 7 Arbutus MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2011-12-20   
443-575 8 Arbutus MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-575 9 Arbutus MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-576 A Randallstown MD   4773 XO MARYLAND, LLC 238      
443-576 0 Randallstown MD   4773 XO MARYLAND, LLC 238      
443-576 1 Randallstown MD   4773 XO MARYLAND, LLC 238      
443-576 2 Randallstown MD   876D ONVOY, LLC - MD 238   2016-03-14   
443-576 3 Randallstown MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-576 4 Randallstown MD   4773 XO MARYLAND, LLC 238      
443-576 5 Randallstown MD   876D ONVOY, LLC - MD 238   2016-03-14   
443-576 6 Randallstown MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-06-26   
443-576 7 Randallstown MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-07-31   
443-576 8 Randallstown MD   082H LOCAL ACCESS LLC - MD 238   2016-01-04   
443-576 9 Randallstown MD   073H TELNYX LLC 238   2017-04-25   
443-577 A Glen Burnie MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-577 0 Glen Burnie MD   2589 US LEC OF MARYLAND, INC. 238      
443-577 1 Glen Burnie MD   2589 US LEC OF MARYLAND, INC. 238      
443-577 2 Glen Burnie MD   2589 US LEC OF MARYLAND, INC. 238      
443-577 3 Glen Burnie MD   2589 US LEC OF MARYLAND, INC. 238      
443-577 4 Glen Burnie MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-02-20   
443-577 5 Glen Burnie MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2005-01-08   
443-577 6 Glen Burnie MD   6664 SPRINT SPECTRUM L.P. 238   2006-06-25   
443-577 7 Glen Burnie MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-577 8 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-07-14   
443-577 9 Glen Burnie MD   2589 US LEC OF MARYLAND, INC. 238      
443-578 A Cockeysville MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238      
443-578 0 Cockeysville MD   4773 XO MARYLAND, LLC 238      
443-578 1 Cockeysville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-10-21   
443-578 2 Cockeysville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-10-26   
443-578 3 Cockeysville MD   876D ONVOY, LLC - MD 238   2012-02-27   
443-578 4 Cockeysville MD   4773 XO MARYLAND, LLC 238      
443-578 5 Cockeysville MD   4773 XO MARYLAND, LLC 238      
443-578 6 Cockeysville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2013-08-15   
443-578 7 Cockeysville MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-578 8 Cockeysville MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2008-09-26   
443-578 9 Cockeysville MD   082H LOCAL ACCESS LLC - MD 238   2015-03-23   
443-579 A Essex MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-579 0 Essex MD   2589 US LEC OF MARYLAND, INC. 238      
443-579 1 Essex MD   2589 US LEC OF MARYLAND, INC. 238      

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

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