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

Contact Us

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.

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Contact Information

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.

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