Potbelly sets Mount Vernon, Charles Village opening dates

Two new Potbelly locations will join Baltimore’s list of sandwich shops later this month.

The first restaurant will open March 12 in Mount Vernon at 1201 N. Charles St., followed by another in Charles Village at 3201 Saint Paul St. on March 26.

With the two new eateries, Chicago-based Potbelly will have 17 locations in Maryland — a small chunk of more than 260 shops the chain has in 17 states.

Both the new locations will hold pre-opening events to raise money for Music is Medicine, an organization…