To take advantage of the offer, simply order any Original sized sandwich using promo code “BOGO” online at Potbelly.com or via the brand’s mobile app on Thursday, and you’ll receive a second Original sized sandwich on the house.

Potbelly’s National Sandwich Day BOGO offer is valid at participating locations nationwide for one day only on Thursday, November 3, 2022.

National Sandwich Day is celebrated annually on November 3.

Image via Potbelly