Local Calling Guide

Area code/prefix search

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OCN: 683C RC COMMUNICATIONS, INC. - SD

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
605-434 A Milbank SD NWEFSDXADS1  640      
605-818 A Watertown SD NWEFSDXADS1  640      

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

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