Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: YNTWOH78MMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
330-953 A Youngstown OH 024E ARMSTRONG TELECOMMUNICATIONS, INC. - OH 322      
330-992 A North Jackson OH 024E ARMSTRONG TELECOMMUNICATIONS, INC. - OH 322      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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