Local Calling Guide

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NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 351

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-351 A Carbondale IL CRDLILXEPS1  1015 FRONTIER NORTH, INC. - IL 362      

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

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