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: 416

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-416 A Humboldt NE   6263 UNITED STATES CELLULAR - NE 958   2025-07-19   
531-416 0 Humboldt NE   6263 UNITED STATES CELLULAR - NE 958   2025-07-19   
531-416 1 Humboldt NE   6263 UNITED STATES CELLULAR - NE 958   2025-07-19   
531-416 2 Humboldt NE   6263 UNITED STATES CELLULAR - NE 958   2025-07-19   
531-416 3 Humboldt NE   6263 UNITED STATES CELLULAR - NE 958   2025-07-19   
531-416 4 Humboldt NE   6263 UNITED STATES CELLULAR - NE 958   2025-07-19   
531-416 5 Humboldt NE   6263 UNITED STATES CELLULAR - NE 958   2025-07-19   
531-416 6 Humboldt NE   6263 UNITED STATES CELLULAR - NE 958   2025-07-19   
531-416 7 Humboldt NE   6263 UNITED STATES CELLULAR - NE 958   2025-07-19   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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