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: 376

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-376 A Dundalk MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-376 0 Dundalk MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-376 1 Dundalk MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
443-376 2 Dundalk MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-28   
443-376 3 Dundalk MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2007-06-14   
443-376 4 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2019-05-10   
443-376 5 Dundalk MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2007-08-13   
443-376 6 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-16   
443-376 7 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-11-28   
443-376 8 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-02   
443-376 9 Dundalk MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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