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: 502

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-502 A Havre de Grace MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-502 0 Havre de Grace MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-502 1 Havre de Grace MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-502 2 Havre de Grace MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-502 3 Havre de Grace MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-502 5 Havre de Grace MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2007-06-29   
443-502 6 Havre de Grace MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-502 7 Havre de Grace MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-502 8 Havre de Grace MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2002-02-25   
443-502 9 Havre de Grace MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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