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: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-330 A West Newton IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 336   2026-11-12   
317-330 7 West Newton IN   824J OPENTACT INC. 336   2026-11-13   
317-330 9 West Newton IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 336   2026-11-12   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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