← Fontana restaurantsJack in the BoxNo reviews yetBurger3910 Sierra Ave, Fontana Call Directions WebsiteSaveShareOwn or manage Jack in the Box? Claim this listing freeMenuReviews · 0Photos · 0Hours & infoHoursHours not listed yet.DetailsAddress3910 Sierra Ave, Fontana 92336Phone+19094290170Websitehttps://locations.jackinthebox.com/us/ca/fontana/3910-sierra-aveSocialFacebook · Instagram · TikTok · X · YouTubeRestaurant details © OpenStreetMap contributors and the Overture Maps Foundation.