Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 1189 RIVER VALLEY TELECOMMUNICATIONS COOP.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
712-837 A Ruthven IA RTHVIAXORS0  630      
712-859 A Graettinger IA GRTGIAXORS0  630      
712-867 A Wallingford IA GRTGIAXORS0  630      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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