Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-457 A Brooklyn Park-Linthicum MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-457 0 Brooklyn Park-Linthicum MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-457 1 Brooklyn Park-Linthicum MD   2589 US LEC OF MARYLAND, INC. 238   2003-03-26   
443-457 2 Brooklyn Park-Linthicum MD   876D ONVOY, LLC - MD 238   2016-03-24   
443-457 3 Brooklyn Park-Linthicum MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-05   
443-457 4 Brooklyn Park-Linthicum MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
443-457 5 Brooklyn Park-Linthicum MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-457 6 Brooklyn Park-Linthicum MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-02-27   
443-457 7 Brooklyn Park-Linthicum MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2004-09-05   
443-457 8 Brooklyn Park-Linthicum MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-09   
443-457 9 Brooklyn Park-Linthicum MD   876D ONVOY, LLC - MD 238   2016-03-24   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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