Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 308 [Rate centres in NPA 308] [Dial plan for NPA 308]

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-600 A Grand Island NE   883K AHOI LLC 646   2026-07-25   
308-600 0 Grand Island NE   883K AHOI LLC 646   2026-07-25   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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