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: 376

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-376 A Oshkosh NE SCTSNEXUIMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646      
308-376 1 Oshkosh NE   3233 LEVEL 3 COMMUNICATIONS, LLC - NE 646   2023-01-23   
308-376 2 Oshkosh NE   549E ONVOY, LLC - NE 646   2021-11-04   
308-376 6 Oshkosh NE   549E ONVOY, LLC - NE 646   2021-06-17   
308-376 7 Oshkosh NE   549E ONVOY, LLC - NE 646   2021-04-16   
308-376 9 Oshkosh NE   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646   2021-04-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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