Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-271 A O'Neill NE   6263 UNITED STATES CELLULAR - NE 644   2021-10-15   
531-271 0 O'Neill NE   6263 UNITED STATES CELLULAR - NE 644   2021-10-15   

Last updated: Fri, 10 Sep 2021 12:38:21 UTC

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