The C.R.S.T. Telephone Authority offers many valuable services for our customers from basic telephone service to robust internet solutions.

Internet and IPTV

IDSL Solutions
WildBlue Satellite
IDSL Solutions

(Internet Digital Subscriber Line)


Basic Dial-up

Email Customers:

Phone Services

Great Plans
Great Prices
Local Phone Services and Solutions

Long Distance Phone Services and Solutions

Employees are out strength

The backbone of the Cheyenne River Sioux Tribe Telephone Authority is our dedicated,
well-trained employees.

Through 50 plus years of progression, the 100% Native American owned CRST Telephone Authority has worked hard to provide the most modern state of the art telecommunications services that are currently available to its customers.
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Customer Survey