Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 402 [Rate centres in NPA 402] [Dial plan for NPA 402]

NXX: 776

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
402-776 A Oakdale NE OKDLNEXHRS1  1577 GREAT PLAINS COMMUNICATIONS, INC. 644      
402-776 2 Oakdale NE   1577 GREAT PLAINS COMMUNICATIONS, INC. 644      
402-776 6 Oakdale NE   145J TERRA NOVA TELECOM INC. 644   2025-07-14   

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

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