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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
443-499 8 Jarrettsville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
443-499 9 Jarrettsville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-07   
443-500 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-500 0 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-500 1 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-500 2 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-500 3 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-500 4 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-500 5 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-500 6 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-500 7 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-500 8 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-500 9 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-501 A Pikesville MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-501 0 Pikesville MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-501 1 Pikesville MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-501 2 Pikesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-08   
443-501 3 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2007-07-12   
443-501 4 Pikesville MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-501 6 Pikesville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-03-22   
443-501 7 Pikesville MD   508J CENTURYLINK COMMUNICATIONS LLC 238   2014-04-02   
443-501 8 Pikesville MD BLTMMDCHDMD  551G BRIGHTLINK COMMUNICATIONS, LLC 238   2016-04-01   
443-501 9 Pikesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-10-12   
443-502 A Havre de Grace MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-502 0 Havre de Grace MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-502 1 Havre de Grace MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-502 2 Havre de Grace MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2005-03-10   
443-502 3 Havre de Grace MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-502 4 Havre de Grace MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-502 5 Havre de Grace MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2007-06-29   
443-502 6 Havre de Grace MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-502 7 Havre de Grace MD   508J CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-502 8 Havre de Grace MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2002-02-25   
443-502 9 Havre de Grace MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-503 A Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-503 0 Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-503 1 Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-503 2 Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-503 3 Dundalk MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-11   
443-503 4 Dundalk MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-02-20   
443-503 5 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-09-18   
443-503 6 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-09-18   
443-503 7 Dundalk MD PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2009-04-20   
443-503 8 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2013-02-04   
443-503 9 Dundalk MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-03-17   
443-504 A Fallston MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-504 0 Fallston MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-504 1 Fallston MD BLTMMD91DS1  2593 CORE COMMUNICATIONS, INC. - MD 238   2004-03-29   
443-504 2 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-05-02   
443-504 3 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-07-02   

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Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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