Local Calling Guide

Area code/prefix search

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Chatham, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
447-231 9   939H COMMIO, LLC 374   2024-02-02   
447-466 A SPFDILESXXX  516J TON80 COMMUNICATIONS, LLC 374      
447-466 0   224C ONVOY, LLC 374   2024-03-03   
447-466 1   224C ONVOY, LLC 374   2024-04-05   
447-466 3   516J TON80 COMMUNICATIONS, LLC 374   2022-04-25   
447-466 6   145J TERRA NOVA TELECOM INC. 374   2025-05-27   
447-466 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2025-01-26   
447-466 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2025-01-26   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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