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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
443-441 2 Glenwood MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2016-10-16   
443-441 3 Glenwood MD   073H TELNYX LLC 238   2017-04-26   
443-441 4 Glenwood MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-441 5 Glenwood MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2018-01-22   
443-441 6 Glenwood MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-441 7 Glenwood MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-441 8 Glenwood MD   082H LOCAL ACCESS LLC - MD 238   2016-05-31   
443-441 9 Glenwood MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-442 A Parkville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 0 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 1 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 2 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 3 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 4 Parkville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-07-01   
443-442 5 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 6 Parkville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-07-18   
443-442 7 Parkville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-10-01   
443-442 8 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-442 9 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-444 A Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
443-444 0 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 1 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 2 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 3 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 4 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 5 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 6 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 7 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 8 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-444 9 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2005-08-27   
443-445 A Elkridge MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-445 0 Elkridge MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-445 1 Elkridge MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2015-04-17   
443-445 2 Elkridge MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-06-26   
443-445 3 Elkridge MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2005-03-10   
443-445 4 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-02-15   
443-445 5 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-02-15   
443-445 6 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-02-15   
443-445 7 Elkridge MD   9212 VERIZON MARYLAND, INC. 238   2004-02-16   
443-445 8 Elkridge MD   9212 VERIZON MARYLAND, INC. 238   2004-02-16   
443-445 9 Elkridge MD   4773 XO MARYLAND, LLC 238   2001-11-19   
443-446 A Queenstown MD ESTNMDES5MD  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242      
443-446 1 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-03   
443-446 2 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
443-446 4 Queenstown MD   876D ONVOY, LLC - MD 242   2018-09-13   
443-446 5 Queenstown MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2019-09-16   
443-446 6 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
443-446 7 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-03-29   
443-446 8 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-03   
443-446 9 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-03   

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Last updated: Wed, 05 Feb 2020 02:15:44 UTC

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