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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
443-686 8 Fallston MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-686 9 Fallston MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-687 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-11-06   
443-687 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-11-06   
443-687 1 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-05-31   
443-687 2 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-05-31   
443-687 3 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-05-31   
443-687 4 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-05-31   
443-687 5 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-05-31   
443-687 6 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-07-03   
443-687 7 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
443-687 8 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
443-687 9 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
443-688 A Severn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-688 0 Severn MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-688 1 Severn MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-688 2 Severn MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-688 3 Severn MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-688 4 Severn MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-688 5 Severn MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-688 6 Severn MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-10-22   
443-688 7 Severn MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-688 8 Severn MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-688 9 Severn MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-689 A Cockeysville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-689 0 Cockeysville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-689 1 Cockeysville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-689 2 Cockeysville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2017-06-21   
443-689 3 Cockeysville MD   964H BARR TELL USA, INC. 238   2016-12-17   
443-689 4 Cockeysville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-689 5 Cockeysville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-689 6 Cockeysville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
443-689 7 Cockeysville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2013-11-11   
443-689 8 Cockeysville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-689 9 Cockeysville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-690 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-691 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-692 A Baltimore MD   4773 XO MARYLAND, LLC 238      
443-692 0 Baltimore MD   4773 XO MARYLAND, LLC 238      
443-692 1 Baltimore MD   4773 XO MARYLAND, LLC 238      
443-692 2 Baltimore MD   4773 XO MARYLAND, LLC 238      
443-692 3 Baltimore MD   4773 XO MARYLAND, LLC 238      
443-692 4 Baltimore MD   4773 XO MARYLAND, LLC 238      
443-692 5 Baltimore MD   4773 XO MARYLAND, LLC 238      
443-692 6 Baltimore MD   4773 XO MARYLAND, LLC 238      
443-692 7 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
443-692 8 Baltimore MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-08-23   
443-692 9 Baltimore MD   4773 XO MARYLAND, LLC 238      
443-693 A Perryville MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-693 0 Perryville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-11-19   

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

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