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: 864

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-864 A Washington IA WASHIA210MD  957H KALONA COOPERATIVE TELEPHONE COMPANY - IA 635      
319-864 1 Washington IA WASHIA210MD  957H KALONA COOPERATIVE TELEPHONE COMPANY - IA 635   2017-12-26   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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