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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-374 A North Platte NE GDISNENWJMD  549E ONVOY, LLC - NE 646   2025-12-27   
308-374 0 North Platte NE GDISNENWJMD  549E ONVOY, LLC - NE 646   2025-12-27   
308-374 1 North Platte NE GDISNENWJMD  549E ONVOY, LLC - NE 646   2026-06-22   
308-374 2 North Platte NE   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646   2026-09-25   
308-374 7 North Platte NE   826C INTRADO COMMUNICATIONS, LLC 646   2026-10-10   
308-374 8 North Platte NE   549E ONVOY, LLC - NE 646   2026-10-03   
308-374 9 North Platte NE   549E ONVOY, LLC - NE 646   2026-10-03   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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