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
443-264 A Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238      
443-264 2 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-29   
443-264 3 Pikesville MD   876D ONVOY, LLC - MD 238   2018-05-31   
443-264 4 Pikesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-06-08   
443-264 5 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-264 6 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-264 7 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-264 8 Pikesville MD   551G BRIGHTLINK COMMUNICATIONS, LLC 238   2018-07-23   
443-264 9 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   

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

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