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
443-379 A Pikesville MD WHMRMDATPS2  107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-04-20   
443-379 0 Pikesville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-04-20   
443-379 1 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-08-11   
443-379 2 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-11-16   
443-379 3 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-10-11   
443-379 4 Pikesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
443-379 5 Pikesville MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238   2011-01-20   
443-379 6 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-02-23   
443-379 7 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-10-11   
443-379 8 Pikesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
443-379 9 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-10-11   

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

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