franzbakery.com. seattlebaking.com. Facebook. Instagram. If you have any questions or comments about this product, please let us hear from you. Find us at the following locations: Online: franzbakery.com/contact. Mail: Franz Customer Service PO Box 14769 Portland, OR 97293. Please include the name of the product, where you purchased it, and the UPC. For more info visit franzbakery.com. With a true sourdough flavor and chewy texture, these pub style buns will elevate your burger or sandwich into something extraordinary. Bring on the toppings - these buns will hold up to the toughest, messiest burgers you can create! Our Seattle International products include a variety of delicious baked goods. From sliced French and sourdough breads to soft breadsticks to our heat-on-the-grill or in-the-oven Garlic Bread, we have the right product to make your mealtime special. We know meal planning can be challenging so we are here to offer simple and tasty solutions to enjoy.