Local Calling Guide

Area code/prefix search

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NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 632

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-632 A Lake Preston SD SXFLSDCOWMD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-632 1 Lake Preston SD SXFLSDCOWMD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640   2010-08-14   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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