Local Calling Guide

Area code/prefix search

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OCN: 359G GLANDORF TELEPHONE COMPANY, INC. - OH

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
567-538 A Ottawa OH GLNDOHXA53A  923      

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

Sponsored by: ISP Telecom

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