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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
443-324 A Baltimore MD   6664 SPRINT SPECTRUM L.P. 238      
443-325 A Ellicott City MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 0 Ellicott City MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 1 Ellicott City MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 2 Ellicott City MD   5562 METRO PCS, INC. 238   2013-06-14   
443-325 3 Ellicott City MD   5562 METRO PCS, INC. 238   2013-06-14   
443-325 4 Ellicott City MD   5562 METRO PCS, INC. 238   2015-02-01   
443-325 5 Ellicott City MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-01-06   
443-325 6 Ellicott City MD   5562 METRO PCS, INC. 238   2016-02-04   
443-325 7 Ellicott City MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 8 Ellicott City MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-325 9 Ellicott City MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-326 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-327 A Aberdeen MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
443-327 0 Aberdeen MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 236      
443-327 1 Aberdeen MD   2589 US LEC OF MARYLAND, INC. 236   2002-05-20   
443-327 2 Aberdeen MD   4773 XO MARYLAND, LLC 236   2005-10-13   
443-327 3 Aberdeen MD   4773 XO MARYLAND, LLC 236   2005-10-13   
443-327 4 Aberdeen MD   4773 XO MARYLAND, LLC 236   2005-10-13   
443-327 5 Aberdeen MD   4773 XO MARYLAND, LLC 236   2005-10-13   
443-327 6 Aberdeen MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2006-09-18   
443-327 7 Aberdeen MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2006-09-18   
443-327 8 Aberdeen MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2005-07-25   
443-327 9 Aberdeen MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-11   
443-328 A Sykesville MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-328 1 Sykesville MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-328 2 Sykesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-328 3 Sykesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
443-328 4 Sykesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
443-328 5 Sykesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-10-16   
443-328 6 Sykesville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-01-26   
443-328 7 Sykesville MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-328 8 Sykesville MD   082H LOCAL ACCESS LLC - MD 238   2016-05-31   
443-328 9 Sykesville MD   082H LOCAL ACCESS LLC - MD 238   2015-03-21   
443-329 A Waterloo (Washington DC LATA) MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
443-329 0 Waterloo (Washington DC LATA) MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
443-329 1 Waterloo (Washington DC LATA) MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
443-329 2 Waterloo (Washington DC LATA) MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-02-20   
443-329 3 Waterloo (Washington DC LATA) MD   281E YMAX COMMUNICATIONS CORP. - MD 236   2009-01-15   
443-329 4 Waterloo (Washington DC LATA) MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-329 5 Waterloo (Washington DC LATA) MD   876D ONVOY, LLC - MD 236   2020-06-20   
443-329 6 Waterloo (Washington DC LATA) MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-30   
443-329 7 Waterloo (Washington DC LATA) MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-30   
443-329 8 Waterloo (Washington DC LATA) MD   073H TELNYX LLC 236   2017-04-27   
443-329 9 Waterloo (Washington DC LATA) MD   876D ONVOY, LLC - MD 236   2020-06-20   
443-330 A Cockeysville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 0 Cockeysville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 1 Cockeysville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 2 Cockeysville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
443-330 3 Cockeysville MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2005-03-10   

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Last updated: Sun, 31 May 2020 11:59:01 UTC

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