How To Contact Quiznos Corporate Office Headquarters
The Quiznos Master LLC.
1001 17th St., Ste. 200
Denver, CO 80202 USA
Corporate Phone Number: 1-720-359-3300
Fax Number: 1-720-359-3399
Customer Service Number: 1-866-486-2783
Email: Online Only
Quiznos Restaurants competes in the fast-food sandwich industry. Their competition includes Subway, Pot Belly, Jersey Mike’s, Blimpie, Firehouse Subs, Jimmy John’s, Subway, Schlotzsky’s, Which Wich, and Panera Bread.