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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
443-572 A Glen Burnie MD GLBRMDGLDS0  9212 VERIZON MARYLAND, INC. 238      
443-572 0 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
443-572 1 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2007-01-15   
443-572 2 Glen Burnie MD   5562 METRO PCS, INC. 238   2016-10-01   
443-572 3 Glen Burnie MD   876D ONVOY, LLC - MD 238   2014-09-04   
443-572 4 Glen Burnie MD   876D ONVOY, LLC - MD 238   2016-02-29   
443-572 5 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
443-572 6 Glen Burnie MD   6664 SPRINT SPECTRUM L.P. 238   2005-07-02   
443-572 7 Glen Burnie MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-572 8 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
443-572 9 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2007-08-17   
443-573 A Baltimore MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-573 0 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238      
443-573 1 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238      
443-573 2 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238      
443-573 3 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238      
443-573 4 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238      
443-573 5 Baltimore MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-30   
443-573 6 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238      
443-573 7 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2006-03-06   
443-573 8 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238      
443-573 9 Baltimore MD   2589 US LEC OF MARYLAND, INC. 238      
443-574 A Ellicott City MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-574 0 Ellicott City MD   2589 US LEC OF MARYLAND, INC. 238      
443-574 1 Ellicott City MD   2589 US LEC OF MARYLAND, INC. 238      
443-574 2 Ellicott City MD   2589 US LEC OF MARYLAND, INC. 238      
443-574 3 Ellicott City MD   2589 US LEC OF MARYLAND, INC. 238      
443-574 4 Ellicott City MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-574 5 Ellicott City MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-26   
443-574 6 Ellicott City MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-08-19   
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 2 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   
443-576 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   

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

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