Local Calling Guide

Area code/prefix search

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Coal City, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
815-709 5   516C AT&T CORP. 358   2011-10-28   
815-709 8   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2012-05-03   
815-709 9   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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