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: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-328 A Fairbury NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958      
531-328 0 Fairbury NE LNCLNEXLX2Y  624H ONVOY SPECTRUM, LLC 958   2024-03-08   
531-328 1 Fairbury NE   5562 METROPCS, INC. 958   2025-05-07   
531-328 3 Fairbury NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2023-08-28   
531-328 8 Fairbury NE   6701 AERIAL COMMUNICATIONS, INC. 958   2025-05-02   

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

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