McKenzie, Tenn.–They’re ready to take your order. The Taco Bell in McKenzie is now open and ready to serve you. Taco Bell is located at 15895 Highland Drive, which is where Old West Steakhouse was located. A full menu of Taco Bell items awaits and the restaurant is open seven days a week, with dine-in open from 10 a.m. to 10 p.m. and drive-thru open from 9 a.m. to 1 or 2 a.m. Jesse Joseph photo.