Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-500 A PEORILPBGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 368      
309-759 A SMFDILXDDS0  1054 MID CENTURY TEL. COOP., INC. 368      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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