Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Sullivan, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
419-736 A NOVAOHXB65A  0644 NOVA TEL. CO. 326      
567-310 A NRWLOHXAEMD  024E ARMSTRONG TELECOMMUNICATIONS, INC. - OH 326      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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