Contact the Cheyenne River Sioux Tribe Telephone Authority

If you have any questions about our services, want to make a site suggestion, or are interested in anything else, please use the form below or call us at (605) 964 2600. If you do not have an email address, please give us a call instead of using the form below.

Contact the Cheyenne River Sioux Tribe Telephone Authority

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Our address and phone numbers are:

C.R.S.T. Telephone Authority
PO Box 810
Eagle Butte, S.D. 57625
Phone: (605) 964 2600
Fax: (605) 964 1000

We appreciate your business and look forward to hearing from you.