The Key City is a classic diner, open 24 hours a day, and serving good food with quick service. It appears to be popular with many locals.
The diner is in Warren County, New Jersey, less than two miles from the Delaware River and the Pennsylvania border. Located at 985 US Highway 22 in Phillipsburg, it is about 2 miles north of Exit 3 off I-78, the last exit in New Jersey when heading West, or the first heading East.
