Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-642 A Elmhurst IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-642 0 Elmhurst IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
331-642 1 Elmhurst IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-04-18   
331-642 2 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2010-07-15   
331-642 3 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2010-07-15   
331-642 4 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2010-07-15   
331-642 5 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2010-07-15   
331-642 6 Elmhurst IL   5917 FIRST COMMUNICATIONS, LLC 358   2010-04-09   
331-642 7 Elmhurst IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-08-14   
331-642 8 Elmhurst IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-11-27   
331-642 9 Elmhurst IL   6664 SPRINT SPECTRUM L.P. 358   2011-08-29   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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