Tri-State Generation & Trans Claim Listing Return to Directory Rating (average) (0) Business Genre Communication, TV Business Website Address tristategt.org Business Address, City 351 Lexington Ave, Cheyenne ZIP Code 82007 Business Phone Number 3076378540 Ratings There are no reviews yet. Please login to leave a review. Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?