Welcome to The Cheyenne River Sioux Tribe Telephone Authority

The C.R.S.T. Telephone Authority was established in 1958 by the Cheyenne River Sioux Tribe as a 100% Native American owned telecommunications company. The company operates separate from the tribe, under its own Board of Directors.

The C.R.S.T. Telephone Authority offers many valuable services for our customers from basic telephone service to robust internet solutions. Please use the links below or to the left to access our services and solutions.

Local Phone Services and Solutions Loaded with Great Packages Control and Convenience Features Built In Long Distance Phone Services and Solutions Great Deals to Choose From Save Money with "No-Nonsense" Solutions Business Solutions

IDSL (Internet Digital Subscriber Line) Solutions Premium Bandwidth when you need it Basic Dial-up Only need basic connection For when you are on the go Business Solutions Reservation Television Cable TV WildBlue Satellite Internet

For questions or additional information, please visit our contact page and let us know how we can assist your residential or business needs.

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News FLASH!!!

CRST Telephone Authority To Offer Satellite Internet. Satellite Internet Access Will Be Available Throughout Cheyenne River Reservation with WildBlue. Read More...