Whataburger adresses in San Marcos‚ TX Home Work hours Whataburger hours Texas San Marcos AddressPhoneMap4040 S Interstate 35 San Marcos(512) 754-7375 1004 N State Highway 123 San Marcos(512) 353-0567 You May Like Panera Bread hoursCracker Barrel hoursAuntie Anne's hoursTaco Bell hoursGolden Chick hoursPizza Hut hoursPeople Are Reading