Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-746 A Kaneville IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-746 0 Kaneville IL   624H ONVOY SPECTRUM, LLC 358   2024-04-19   
331-746 2 Kaneville IL   516C AT&T CORP. 358   2023-10-02   
331-746 7 Kaneville IL   516J TON80 COMMUNICATIONS, LLC 358   2022-04-21   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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