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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
443-502 7 Havre de Grace MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-502 8 Havre de Grace MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2002-02-25   
443-502 9 Havre de Grace MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-503 A Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-503 0 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-503 1 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-503 2 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-503 3 Dundalk MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-11   
443-503 4 Dundalk MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-02-20   
443-503 5 Dundalk MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-09-18   
443-503 6 Dundalk MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-09-18   
443-503 7 Dundalk MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2009-04-20   
443-503 8 Dundalk MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2013-02-04   
443-504 A Fallston MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-504 0 Fallston MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-504 1 Fallston MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-03-29   
443-504 2 Fallston MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-05-02   
443-504 3 Fallston MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-07-02   
443-504 4 Fallston MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-01-19   
443-504 5 Fallston MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-02-28   
443-504 6 Fallston MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-14   
443-504 7 Fallston MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-04-01   
443-504 8 Fallston MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-08-02   
443-504 9 Fallston MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-09-29   
443-505 A Essex MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-505 0 Essex MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-505 1 Essex MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-505 2 Essex MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-12-24   
443-505 3 Essex MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-03-20   
443-505 4 Essex MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-505 5 Essex MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-505 6 Essex MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-10-18   
443-505 7 Essex MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-16   
443-505 8 Essex MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-09-21   
443-505 9 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-10-07   
443-506 A Baltimore MD   6664 SPRINT SPECTRUM L.P. 238      
443-507 A Hampstead MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-507 0 Hampstead MD   9212 VERIZON MARYLAND, INC. 238   2003-10-17   
443-507 1 Hampstead MD   2589 US LEC OF MARYLAND, INC. 238   2003-07-20   
443-507 2 Hampstead MD   8864 BROADWING COMMUNICATIONS. LLC - MD 238   2003-06-17   
443-507 3 Hampstead MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-03-29   
443-507 4 Hampstead MD   2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2016-01-31   
443-507 5 Hampstead MD   9212 VERIZON MARYLAND, INC. 238   2005-05-27   
443-507 6 Hampstead MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2009-06-13   
443-507 7 Hampstead MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-507 8 Hampstead MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-02   
443-507 9 Hampstead MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-508 A Hampstead MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-508 0 Hampstead MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-508 1 Hampstead MD   6664 SPRINT SPECTRUM L.P. 238   2004-12-27   

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

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