Local Calling Guide

Area code/prefix search

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NPA: 708 [Rate centres in NPA 708] [Dial plan for NPA 708]

NXX: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
708-570 A Tinley Park IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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