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
443-213 A Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
443-213 0 Pikesville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-09-07   
443-213 1 Pikesville MD   4773 XO MARYLAND, LLC 238   2006-09-11   
443-213 2 Pikesville MD   9212 VERIZON MARYLAND, INC. 238   2003-09-26   
443-213 3 Pikesville MD   9212 VERIZON MARYLAND, INC. 238   2003-09-26   
443-213 4 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-04-22   
443-213 5 Pikesville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-07-13   
443-213 6 Pikesville MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2003-09-26   
443-213 7 Pikesville MD   2589 US LEC OF MARYLAND, INC. 238   2016-12-07   
443-213 8 Pikesville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2011-06-28   
443-213 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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