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
443-789 A Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 0 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 1 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 2 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 3 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-03-08   
443-789 4 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 5 Westminster MD   4773 XO MARYLAND, LLC 238   2008-10-25   
443-789 6 Westminster MD   6664 SPRINT SPECTRUM L.P. 238   2007-01-03   
443-789 7 Westminster MD   6664 SPRINT SPECTRUM L.P. 238   2007-01-03   
443-789 8 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-09-10   
443-789 9 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-09-10   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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