Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 317 [Rate centres in NPA 317] [Dial plan for NPA 317]

NXX: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-745 A Danville IN DAVLIN01DS0  9325 INDIANA BELL TEL CO INC 336      

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

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