Stamp Out Hunger National "Stamp Out Hunger" Food Drive Happening Saturday By Jim Letizia • May 8, 2015 This Saturday is the national "Stamp Out Hunger" food drive, conducted by the union representing U.S. Postal Service letter carriers. National Food Drive Happening Saturday By Jim Letizia • May 9, 2014 National Association of Letter Carriers The nation's largest single-day food drive takes place on Saturday. "Stamp Out Hunger" Drive This Saturday By Jim Letizia • May 9, 2013 This Saturday, U.S. Postal Service carriers will collect donations of food to help feed hungry Central Ohioans.