Local Calling Guide

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Toronto, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-794 A CLLKSDXADS0  1651 INTERSTATE TELECOM COOP, INC. - SD 640      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

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