Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-643 A West Branch IA WLBTIAXODS1  1332 WEST LIBERTY TEL. CO. 635      

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

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