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: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-330 A Iowa City IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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