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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-356 A Elk Point SD ELPNSDCORS1  9631 QWEST CORPORATION 640      
605-356 0 Elk Point SD   9631 QWEST CORPORATION 640      
605-356 1 Elk Point SD   9631 QWEST CORPORATION 640      
605-356 2 Elk Point SD   9631 QWEST CORPORATION 640      
605-356 3 Elk Point SD   9631 QWEST CORPORATION 640      
605-356 4 Elk Point SD   9631 QWEST CORPORATION 640      
605-356 5 Elk Point SD   9631 QWEST CORPORATION 640      
605-356 6 Elk Point SD   508J CENTURYLINK COMMUNICATIONS, LLC 640   2017-06-08   
605-356 7 Elk Point SD   162G ONVOY, LLC - SD 640   2011-07-05   
605-356 8 Elk Point SD   162G ONVOY, LLC - SD 640   2009-05-28   
605-356 9 Elk Point SD   9631 QWEST CORPORATION 640      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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