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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
443-786 5 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-786 6 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-786 7 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-786 8 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2004-08-02   
443-786 9 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2005-01-02   
443-787 A Bel Air MD PIVLMDPKXFX  829J PAETEC ITEL, LLC 238   2025-04-01   
443-787 0 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2025-05-02   
443-787 1 Bel Air MD PIVLMDPKXFX  829J PAETEC ITEL, LLC 238      
443-787 2 Bel Air MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
443-787 3 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-05   
443-787 4 Bel Air MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-09-14   
443-787 5 Bel Air MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-11-24   
443-787 6 Bel Air MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-12-13   
443-787 7 Bel Air MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-787 8 Bel Air MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-10-10   
443-787 9 Bel Air MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-12-13   
443-788 A Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
443-788 0 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-04-06   
443-788 1 Aberdeen MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2018-10-20   
443-788 2 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-09-08   
443-788 3 Aberdeen MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2019-03-07   
443-788 4 Aberdeen MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-03-30   
443-788 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-788 6 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-09-08   
443-788 7 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-05-08   
443-788 8 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-05-08   
443-788 9 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-03-12   
443-789 A Westminster MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 0 Westminster MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 1 Westminster MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 2 Westminster MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 3 Westminster MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-03-08   
443-789 4 Westminster MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 5 Westminster MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2008-10-25   
443-789 6 Westminster MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-789 7 Westminster MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-789 8 Westminster MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-09-10   
443-789 9 Westminster MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-09-10   
443-790 A Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-790 0 Glen Burnie MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-790 1 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-790 2 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-790 3 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-790 4 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-790 5 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-790 6 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-790 7 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-790 8 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-790 9 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-791 A Towson MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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