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
443-334 A Pikesville MD   4773 XO MARYLAND, LLC 238      
443-334 0 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-04-02   
443-334 1 Pikesville MD   4773 XO MARYLAND, LLC 238      
443-334 2 Pikesville MD   9212 VERIZON MARYLAND, INC. 238   2003-10-30   
443-334 3 Pikesville MD   9212 VERIZON MARYLAND, INC. 238   2003-10-30   
443-334 4 Pikesville MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2005-03-10   
443-334 5 Pikesville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2013-10-30   
443-334 6 Pikesville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-09-08   
443-334 7 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-10-24   
443-334 8 Pikesville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-12-04   
443-334 9 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   

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

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