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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-524 A Keokuk IA KEKKIACORS5  9631 QWEST CORPORATION 634      

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

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