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: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-424 A Cedar Rapids IA   700J WAVENATION, LLC 635   2026-01-22   
319-424 0 Cedar Rapids IA   700J WAVENATION, LLC 635   2026-01-22   
319-424 1 Cedar Rapids IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2026-04-17   
319-424 2 Cedar Rapids IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2026-04-17   
319-424 3 Cedar Rapids IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2026-04-17   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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