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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
443-227 5 Port Deposit MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-17   
443-227 6 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-227 7 Port Deposit MD   508J CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-227 8 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-227 9 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-228 A Chase MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-228 0 Chase MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-228 1 Chase MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-228 2 Chase MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-228 3 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-18   
443-228 4 Chase MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2005-12-12   
443-228 5 Chase MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-26   
443-228 6 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
443-228 7 Chase MD BLTMMDCHLMD  082H LOCAL ACCESS LLC - MD 238   2016-05-31   
443-228 8 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-228 9 Chase MD   624H ONVOY SPECTRUM, LLC 238   2021-02-24   
443-229 A Severna Park MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-229 0 Severna Park MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-229 1 Severna Park MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-30   
443-229 2 Severna Park MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-12   
443-229 3 Severna Park MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-229 4 Severna Park MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-08-20   
443-229 5 Severna Park MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-229 6 Severna Park MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-25   
443-229 7 Severna Park MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-25   
443-229 9 Severna Park MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-230 A Odenton MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-230 0 Odenton MD   145J TERRA NOVA TELECOM INC. 238   2021-01-28   
443-230 1 Odenton MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-230 2 Odenton MD   876D ONVOY, LLC - MD 238   2021-03-04   
443-230 3 Odenton MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2014-07-04   
443-230 4 Odenton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-09-08   
443-230 5 Odenton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-29   
443-230 6 Odenton MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2016-11-17   
443-230 7 Odenton MD   508J CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-230 8 Odenton MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2016-01-04   
443-230 9 Odenton MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2015-03-23   
443-231 A Essex MD BLTMMDCHDS7  7421 AT&T LOCAL 238      
443-231 0 Essex MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-11   
443-231 1 Essex MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2005-04-29   
443-231 2 Essex MD BLTMMDCHDS7  7421 AT&T LOCAL 238      
443-231 3 Essex MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-04-24   
443-231 4 Essex MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-02-20   
443-231 5 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2005-03-10   
443-231 6 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-06-20   
443-231 7 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-06-20   
443-231 8 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-08-25   
443-231 9 Essex MD BLTMMDCHLMD  082H LOCAL ACCESS LLC - MD 238   2016-05-31   
443-232 A Willards MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC. - MD 242      
443-232 0 Willards MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-04-30   

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Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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