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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
443-664 9 Ocean City MD   7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-665 A Nanticoke MD SLBRMDSBDC0  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-665 1 Nanticoke MD   7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-665 2 Nanticoke MD   7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-665 3 Nanticoke MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
443-665 4 Nanticoke MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 242   2006-07-31   
443-665 5 Nanticoke MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
443-665 6 Nanticoke MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
443-665 7 Nanticoke MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
443-666 A Chestertown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-666 0 Chestertown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2018-01-25   
443-666 2 Chestertown MD   2589 US LEC OF MARYLAND, INC. 242   2014-11-08   
443-666 3 Chestertown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2012-08-02   
443-666 4 Chestertown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2016-03-11   
443-666 5 Chestertown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
443-666 6 Chestertown MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2014-10-20   
443-666 7 Chestertown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2018-08-27   
443-666 8 Chestertown MD   073H TELNYX LLC 242   2017-09-13   
443-668 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-668 0 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
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 1 Delmar MD   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      

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

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