Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 326 [Rate centres in NPA 326] [Dial plan for NPA 326]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
326-666 A Tremont City OH DYTNOHKTDMD  965H FRACTEL, LLC 328      
326-666 0 Tremont City OH   515J IP HORIZON LLC 328   2024-03-05   
326-666 1 Tremont City OH   624H ONVOY SPECTRUM, LLC 328   2024-05-29   
326-666 3 Tremont City OH   464C ONVOY, LLC - OH 328   2021-03-12   
326-666 4 Tremont City OH   516J TON80 COMMUNICATIONS, LLC 328   2021-03-29   
326-666 5 Tremont City OH   145J TERRA NOVA TELECOM INC. 328   2025-04-09   
326-666 6 Tremont City OH   965H FRACTEL, LLC 328   2020-04-03   
326-666 7 Tremont City OH   516C AT&T CORP. 328   2024-01-24   
326-666 9 Tremont City OH   516J TON80 COMMUNICATIONS, LLC 328   2022-03-01   

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

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