Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 983

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-983 A Ellsworth IL BLTNILXDXMX  224C ONVOY, LLC 366      
309-983 3 Ellsworth IL BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2023-06-02   
309-983 8 Ellsworth IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-06-18   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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