USPS says Stamp Out Hunger Day is the largest one-day food drive in the U.S. and has been going on for more than 30 years.

The National Association of Letter Carriers is preparing for its annual Stamp Out Hunger food drive that will take place Saturday across the nation. "Letter carriers are in the communities they serve every day and often come face to face with a sad reality for far too many,

The nationwide Stamp Out Hunger food drive got a generous response from the Duke City, among many communities in New Mexico. Postal Service employees on their mail routes in Albuquerque on Saturday collected non-perishable food items in blue bags that had been left for customers earlier in the week.