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: 266

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-266 A Ruskin NE LNCLNEXLXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 958      
531-266 0 Ruskin NE LNCLNEXLX2Y  624H ONVOY SPECTRUM, LLC 958   2024-03-15   
531-266 3 Ruskin NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-03-19   
531-266 4 Ruskin NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-03-19   
531-266 9 Ruskin NE LNCLNEXLXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 958   2020-11-29   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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