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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
443-779 1 Aberdeen MD WASHDC12KMD  145J TERRA NOVA TELECOM INC. 236   2024-07-16   
443-779 2 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 3 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 4 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 5 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 6 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 7 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 8 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-779 9 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-12-27   
443-780 A Woodlawn MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-780 0 Woodlawn MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-780 1 Woodlawn MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-780 2 Woodlawn MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-780 3 Woodlawn MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-780 4 Woodlawn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-780 5 Woodlawn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-780 6 Woodlawn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-06-21   
443-780 7 Woodlawn MD BLTQMD012MD  964H BARR TELL USA, INC. 238   2016-12-17   
443-780 8 Woodlawn MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-02-14   
443-780 9 Woodlawn MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-781 A Armiger-Gibson Island MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-03-05   
443-781 0 Armiger-Gibson Island MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
443-781 1 Armiger-Gibson Island MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-11   
443-781 2 Armiger-Gibson Island MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-11   
443-781 3 Armiger-Gibson Island MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2018-02-08   
443-781 4 Armiger-Gibson Island MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-04-20   
443-781 5 Armiger-Gibson Island MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
443-781 6 Armiger-Gibson Island MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
443-781 8 Armiger-Gibson Island MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2019-02-19   
443-781 9 Armiger-Gibson Island MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2019-02-19   
443-782 A Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-782 0 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-782 1 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-06-27   
443-782 2 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-30   
443-782 3 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2017-06-02   
443-782 4 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2018-05-27   
443-782 5 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-06-08   
443-782 6 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-28   
443-782 7 Annapolis MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2018-06-15   
443-782 8 Annapolis MD BLTMMDCH3MD  228C IDT AMERICA, CORP. - MD 238   2018-01-14   
443-782 9 Annapolis MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-30   
443-783 A Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-784 A Armiger-Gibson Island MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-784 0 Armiger-Gibson Island MD   515J IP HORIZON LLC 238   2013-09-06   
443-784 1 Armiger-Gibson Island MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-01-12   
443-784 2 Armiger-Gibson Island MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-04-23   
443-784 3 Armiger-Gibson Island MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-784 4 Armiger-Gibson Island MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2004-11-15   
443-784 5 Armiger-Gibson Island MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-04-23   
443-784 6 Armiger-Gibson Island MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-04-23   
443-784 7 Armiger-Gibson Island MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-05-23   
443-784 8 Armiger-Gibson Island MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-07-24   
443-784 9 Armiger-Gibson Island MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-01-12   
443-785 A Arbutus MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-786 A Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-786 0 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-786 1 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-786 2 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-786 3 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-786 4 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
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 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-787 1 Bel Air MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 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 CLMAMDORGT0  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 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 0 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 1 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 2 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 3 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-03-08   
443-789 4 Westminster MD CLMAMDORGT0  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 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-09-10   
443-789 9 Westminster MD CLMAMDORGT0  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      

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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