Local Calling Guide

Area code/prefix search

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Littleton, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-257 A CLCHILXDDS0  1047 MCDONOUGH TEL. COOP. 977      
309-901 A MCMBILAABMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977      
309-901 9 MCMBILAABMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2021-10-31   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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