Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-506 A Vermillion SD VRMLSDACRS0  760C DAKOTACOMM, LLC - SD 640      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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