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Ellicott City, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-288 3 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-10-24   
443-288 4 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 5 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 6 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 7 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 8 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 9 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-325 A HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 0 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 1 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 2 BLTMMDCHFMD  5562 METROPCS, INC. 238   2013-06-14   
443-325 3 BLTMMDCHFMD  5562 METROPCS, INC. 238   2013-06-14   
443-325 4 BLTMMDCHFMD  5562 METROPCS, INC. 238   2015-02-01   
443-325 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-01-06   
443-325 6 BLTMMDCHFMD  5562 METROPCS, INC. 238   2016-02-04   
443-325 7 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 8 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 9 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-355 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-355 0 BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   
443-355 1 BLTMMDCHFMD  5562 METROPCS, INC. 238   2017-01-19   
443-355 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-355 3 BLTMMDCHFMD  5562 METROPCS, INC. 238   2017-01-19   
443-355 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-355 5 BLTMMDCHFMD  5562 METROPCS, INC. 238   2017-03-25   
443-355 6 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
443-355 7 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
443-355 8 BLTMMDCHFMD  5562 METROPCS, INC. 238   2017-10-14   
443-355 9 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-10-20   
443-364 A CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-364 0 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-08-27   
443-364 1 BLTMMDCHFMD  5562 METROPCS, INC. 238   2018-04-29   
443-364 2 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-05-23   
443-364 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-02-29   
443-364 4 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-26   
443-364 5 CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-364 6 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-11   
443-364 7 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-11   
443-364 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-364 9 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-07-27   
443-420 A BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-420 0 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-420 1 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-420 2 BLTMMDCHFMD  5562 METROPCS, INC. 238   2018-10-05   
443-420 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2019-03-20   
443-420 4 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-420 5 BLTMMDCHXMX  506J TWILIO INTERNATIONAL, INC. 238   2020-12-26   
443-420 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-08   
443-420 7 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
443-420 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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