Local Calling Guide

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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 936

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-936 A Atkinson IL ATSNILXDDS0  1029 HENRY COUNTY TEL. CO. 634      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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