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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: RGCROHXADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
419-330 3 Wauseon OH 818E RIDGEVILLE TELEPHONE COMPANY - OH 326   2006-03-26   
419-717 5 Napoleon OH 818E RIDGEVILLE TELEPHONE COMPANY - OH 326   2009-05-09   
567-444 A Archbold OH 818E RIDGEVILLE TELEPHONE COMPANY - OH 326      
567-444 4 Archbold OH 818E RIDGEVILLE TELEPHONE COMPANY - OH 326   2006-03-02   
567-444 5 Archbold OH 818E RIDGEVILLE TELEPHONE COMPANY - OH 326   2012-12-20   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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