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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-290 A Pilger NE OMAHNENWGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644      
531-290 0 Pilger NE   145J TERRA NOVA TELECOM INC. 644   2025-05-20   
531-290 9 Pilger NE OMAHNENWGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2022-11-07   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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