I take that back, I called one location in Fair Lawn NJ and said they were honoring it and that all franchise locations are SUPPOSED to as well. You need to call your nearest locations before you drive over though to confirm. The "Corporate Only" rule is NOT true!
Head to
www.papajohns.com and click on the link to enter your address. Change the "miles" as necessary to locate a store closest in proximity to you! Enjoy!