Local Calling Guide

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Elkton, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-542 A CLLKSDXADS0  1651 INTERSTATE TELECOM COOP, INC. - SD 640      
605-922 A CLLKSDXA0MD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-922 1 CLLKSDXA0MD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640   2010-09-26   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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