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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
443-315 9 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-316 A Woodlawn MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-316 0 Woodlawn MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-316 1 Woodlawn MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-316 2 Woodlawn MD BLTMMDCHDS7  7421 AT&T LOCAL 238   2005-11-21   
443-316 3 Woodlawn MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2006-05-11   
443-316 4 Woodlawn MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-316 5 Woodlawn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-316 6 Woodlawn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-316 7 Woodlawn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-07   
443-316 8 Woodlawn MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2008-02-01   
443-316 9 Woodlawn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-05-01   
443-317 A Chase MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-317 0 Chase MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-317 1 Chase MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-317 2 Chase MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-08   
443-317 3 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-09   
443-317 4 Chase MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-317 5 Chase MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-317 6 Chase MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2015-08-05   
443-317 7 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-07-14   
443-317 8 Chase MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2007-04-12   
443-317 9 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-04-27   
443-318 A Cockeysville MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-318 0 Cockeysville MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-318 1 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-09-04   
443-318 2 Cockeysville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-07-10   
443-318 3 Cockeysville MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2015-07-03   
443-318 4 Cockeysville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2005-03-10   
443-318 5 Cockeysville MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2017-01-18   
443-318 6 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-09-28   
443-318 7 Cockeysville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-12-04   
443-318 8 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-10-14   
443-318 9 Cockeysville MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-319 A Columbia MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-319 0 Columbia MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-319 1 Columbia MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-08-13   
443-319 2 Columbia MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2016-01-08   
443-319 3 Columbia MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-06-16   
443-319 4 Columbia MD BLTMMDCH21Z  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-07-04   
443-319 5 Columbia MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2005-03-10   
443-319 6 Columbia MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-319 7 Columbia MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2016-02-03   
443-319 8 Columbia MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-11-19   
443-319 9 Columbia MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-320 A Baltimore MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-320 0 Baltimore MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-320 1 Baltimore MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-320 2 Baltimore MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-320 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-12-03   

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

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