Coupons/Deals, Latest Celebrate National Taco Day in Dallas on Oct 4 With a Free Taco! Written by admin on October 4, 2012 More in Coupons/Deals: Black Friday Discounts on 55 inch and 60 inch HDTVs in the Dallas Metroplex November 29, 2013 Huge Computer / Laptop Back-to-School Blowout Sale in Dallas! August 14, 2013 2013 Holiday Stays at Hilton Anatole Dallas for Just Around $33 June 28, 2013 Visit your local Del Taco today, October 4th, and mention “National Taco Day” and get a free deluxe taco with any purchase. This deal is only valid today only. Click here to find one near you.