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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
443-668 1 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-668 2 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-668 3 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-668 4 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-668 5 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-668 6 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-668 7 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-668 8 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-668 9 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-27   
443-669 A Delmar MD SLBRMDSBDC0  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-669 2 Delmar MD   7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-669 3 Delmar MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-01-29   
443-669 4 Delmar MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-02-26   
443-669 5 Delmar MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-02-26   
443-669 6 Delmar MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-10-03   
443-669 7 Delmar MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-06-05   
443-669 8 Delmar MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-06-05   
443-669 9 Delmar MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-10-03   
443-670 A Catonsville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-670 0 Catonsville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-670 1 Catonsville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-670 2 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-19   
443-670 3 Catonsville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-670 4 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-19   
443-670 5 Catonsville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-670 6 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-19   
443-670 7 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-19   
443-670 8 Catonsville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-670 9 Catonsville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-671 A New Windsor MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-671 0 New Windsor MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-03-29   
443-671 1 New Windsor MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-05   
443-671 2 New Windsor MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-09-02   
443-671 4 New Windsor MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-31   
443-671 5 New Windsor MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-04-07   
443-671 6 New Windsor MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-01-19   
443-671 7 New Windsor MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-11-18   
443-671 8 New Windsor MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-31   
443-671 9 New Windsor MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-672 A Parkton MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-672 0 Parkton MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-04-02   
443-672 1 Parkton MD   2589 US LEC OF MARYLAND, INC. 238   2004-01-31   
443-672 2 Parkton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-02-25   
443-672 3 Parkton MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-29   
443-672 4 Parkton MD   876D ONVOY, LLC - MD 238   2019-02-19   
443-672 5 Parkton MD   876D ONVOY, LLC - MD 238   2019-02-19   
443-672 6 Parkton MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-672 7 Parkton MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-672 8 Parkton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-10-12   
443-672 9 Parkton MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      

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

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