Fine Print Coupons Not Valid On Sunday, Feb. 2nd. Use Coupon Code #3055. Includes Celery, Ranch or Bleu Cheese. Some Restrictions May Apply. Coupon Valid at All Wing Shack Locations in Colorado; Longmont, Loveland, Greeley, Garden City, Windsor & Fort Collins. Coupons may not be combined with any other offer. With Valpak® coupon only. Must present coupon at time of order. Coupon void if altered.