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: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-408 A Sparrows Point MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-408 0 Sparrows Point MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-408 1 Sparrows Point MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-408 2 Sparrows Point MD BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2021-01-28   
443-408 3 Sparrows Point MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2005-10-13   
443-408 4 Sparrows Point MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2005-10-13   
443-408 5 Sparrows Point MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238   2005-10-13   
443-408 6 Sparrows Point MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238   2005-10-13   
443-408 7 Sparrows Point MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-408 8 Sparrows Point MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-408 9 Sparrows Point MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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