Local Calling Guide

Area code/prefix search

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Switch: CLHLINXARSA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
765-523 A Clarks Hill IN 0828 FRONTIER COMMUNICATIONS OF THORNTOWN, INC. 336      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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