In celebration of National Burrito Day, Chipotle is giving away 10,000 free burritos on April 6, 2023. Here is how it works. National Burrito Day – @ChipotleTweets will surprise burrito-loving fans by dropping codes throughout the day that followers can text to 888-222 for a chance to score one of 10,000 free burritos. Chipotle is also rolling out free burritos to fans’ doors on April 6 with a $0 with promo code “DELIVER” on the Chipotle app and Chipotle.com.