Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 818E RIDGEVILLE TELEPHONE COMPANY - OH

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
419-330 3 Wauseon OH   326   2006-03-26   
419-717 5 Napoleon OH   326   2009-05-09   
567-444 A Archbold OH RGCROHXADS1  326      
567-444 4 Archbold OH   326   2006-03-02   
567-444 5 Archbold OH   326   2012-12-20   

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

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