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: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-345 A Aberdeen MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-345 0 Aberdeen MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
443-345 1 Aberdeen MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-05-14   
443-345 2 Aberdeen MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-05-14   
443-345 3 Aberdeen MD   4773 XO MARYLAND, LLC 236   2010-03-13   
443-345 4 Aberdeen MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-345 5 Aberdeen MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2010-11-01   
443-345 6 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-345 7 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-07-11   
443-345 8 Aberdeen MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-09-04   
443-345 9 Aberdeen MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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