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: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-427 A Lincoln NE   700J WAVENATION, LLC 958   2025-09-06   
531-427 0 Lincoln NE   700J WAVENATION, LLC 958   2025-09-06   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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