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: 801

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-801 A Belle Fourche SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-801 0 Belle Fourche SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2021-10-01   
605-801 1 Belle Fourche SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-10-02   
605-801 2 Belle Fourche SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-10-02   
605-801 8 Belle Fourche SD   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2025-05-16   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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