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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
443-399 9 Dundalk MD   515J IP HORIZON LLC 238   2013-09-06   
443-400 A Brooklyn Park-Linthicum MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-400 0 Brooklyn Park-Linthicum MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-400 1 Brooklyn Park-Linthicum MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-10-11   
443-400 2 Brooklyn Park-Linthicum MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-400 3 Brooklyn Park-Linthicum MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-06-14   
443-400 4 Brooklyn Park-Linthicum MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-10-11   
443-400 5 Brooklyn Park-Linthicum MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-400 6 Brooklyn Park-Linthicum MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2014-03-27   
443-400 7 Brooklyn Park-Linthicum MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-09-13   
443-400 8 Brooklyn Park-Linthicum MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2002-05-19   
443-400 9 Brooklyn Park-Linthicum MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-10-04   
443-401 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-401 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-16   
443-401 1 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-16   
443-401 2 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-16   
443-401 3 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-19   
443-401 4 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-19   
443-401 5 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-19   
443-401 6 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-19   
443-401 7 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-19   
443-401 8 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-19   
443-401 9 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-19   
443-402 A Edgewood MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-402 0 Edgewood MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-05-21   
443-402 1 Edgewood MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-05-21   
443-402 2 Edgewood MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2002-11-18   
443-402 3 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-07   
443-402 4 Edgewood MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2019-07-14   
443-402 5 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-06   
443-402 6 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-06   
443-402 7 Edgewood MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-10-01   
443-402 8 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-06   
443-402 9 Edgewood MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-403 A Aberdeen MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 0 Aberdeen MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 1 Aberdeen MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 2 Aberdeen MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 3 Aberdeen MD   145J TERRA NOVA TELECOM INC. 236   2022-07-06   
443-403 4 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-403 5 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-403 6 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-403 7 Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-10-20   
443-403 8 Aberdeen MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2013-08-18   
443-403 9 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-01-25   
443-404 A Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-404 0 Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-03-19   
443-404 1 Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-404 2 Solomons MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
443-404 3 Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-03-19   
443-404 4 Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-03-19   
443-404 5 Solomons MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-404 6 Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2006-07-26   
443-404 7 Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2004-07-30   
443-404 8 Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2003-11-30   
443-404 9 Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-405 A Randallstown MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-405 0 Randallstown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2024-11-10   
443-405 2 Randallstown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-03   
443-405 3 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-09-27   
443-405 4 Randallstown MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-405 5 Randallstown MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-04-30   
443-405 6 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2018-11-29   
443-405 7 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2011-12-10   
443-405 8 Randallstown MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-405 9 Randallstown MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-406 A Elkton MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-406 0 Elkton MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-10   
443-406 1 Elkton MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2002-06-24   
443-406 2 Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-03   
443-406 3 Elkton MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-11-18   
443-406 4 Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-11-05   
443-406 5 Elkton MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-10   
443-406 6 Elkton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-406 7 Elkton MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2007-02-27   
443-406 8 Elkton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-406 9 Elkton MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-407 A Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-407 0 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-407 1 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-407 2 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-407 3 Dundalk MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-24   
443-407 4 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-407 5 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-407 6 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-407 7 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-16   
443-407 8 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-31   
443-407 9 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-408 A Sparrows Point MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-408 0 Sparrows Point MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-408 1 Sparrows Point MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-408 2 Sparrows Point MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2023-05-16   
443-408 3 Sparrows Point MD BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-07-16   
443-408 5 Sparrows Point MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-10-13   
443-408 6 Sparrows Point MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-10-13   
443-408 7 Sparrows Point MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-408 8 Sparrows Point MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-408 9 Sparrows Point MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-409 A Edgewood MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-409 0 Edgewood MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      

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

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