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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-644 A Spearfish SD SPRFSDCORS1  9631 QWEST CORPORATION 640      
605-644 0 Spearfish SD   9631 QWEST CORPORATION 640      
605-644 1 Spearfish SD   9631 QWEST CORPORATION 640      
605-644 2 Spearfish SD   9631 QWEST CORPORATION 640      
605-644 3 Spearfish SD   9631 QWEST CORPORATION 640      
605-644 4 Spearfish SD   9631 QWEST CORPORATION 640      
605-644 5 Spearfish SD   162G ONVOY, LLC - SD 640   2009-05-28   
605-644 6 Spearfish SD   106F BANDWIDTH.COM CLEC, LLC - SD 640   2008-11-29   
605-644 7 Spearfish SD   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2005-01-30   
605-644 8 Spearfish SD   9631 QWEST CORPORATION 640      
605-644 9 Spearfish SD   9631 QWEST CORPORATION 640      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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