Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Lomax, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-449 A CLCHILXDDS0  1047 MCDONOUGH TEL. COOP. 977      
217-966 A MCMBILXDJMD  593K MCC TELEPHONY LLC 977      
217-966 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2021-06-20   
217-966 1   593K MCC TELEPHONY LLC 977   2010-07-24   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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