Jack in the Box is an American fast food restaurant that specializes in hamburgers, but also sells breakfast items, tacos, and more. It was founded in 1951 in San Diego as a drive in restaurant. Its claim to fame is a clown in a box and a variety of fast food with more new products than other fast food chains like McDonalds. Jack in the Box is a fast food chain that operates and franchises restaurants. With a target audience of families at a lower price range, Jack in the Box emphasizes that they offer food 24 hours a day.

Jack in the Box has over 2,000 locations primarily around the West Coast of the United States. Some early history from Wikipedia "Robert Oscar Peterson already owned several successful restaurants when he opened Topsy's Drive-In at 6270 El Cajon Boulevard in San Diego in 1941. Several more Topsy's were opened and eventually renamed Oscar's. By the late 1940s the Oscar's locations had developed a circus-like décor featuring drawings of a starry-eyed clown.

In 1947, Peterson obtained rights for the intercom ordering concept from George Manos who owned one location named Chatter box in Anchorage, Alaska, the first known location to use the intercom concept for drive up windows. In 1951, Peterson converted the El Cajon Boulevard location into Jack in the Box, a hamburger stand focused on drive-through service. While the drive-through concept was not new, Jack in the Box innovated a two-way intercom system, the first major chain to use an intercom and the first to focus on drive-through. The intercom allowed much faster service than a traditional drive-up window; while one customer was being served at the window, a second and even a third customer's order could be taken and prepared. A giant clown projected from the roof, and a smaller clown head sat atop the intercom, where a sign said "Pull forward, Jack will speak to you." The Jack in the Box restaurant was conceived as a "modern food machine," designed by La Jolla, California master architect Russell Forester.

Quick service made the new location very popular, and soon all of Oscar's locations were redesigned with intercoms and rechristened Jack in the Box restaurants." About Jack in the Box Jack in the Box is a fast food chain that offers a variety of American and internationally themed food items. Serving mostly the West Coast, Jack in the Box website can be found here: jackinthebox.com

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• Phone: 858-571-2121
• Address:
  9330 Balboa Ave.
  San Diego, CA 92123 USA
• Sales tax in: Most States