Whataburger Restaurants Address: 2201 Mulberry, Weslaco, TX 78596 Phone: (956) 968-6926 Cuisine: Hamburgers Restaurants, Foods-Carry Out, Burgers, Whataburger Other Businesses: Chili's Grill & Bar at 1412 W Expressway 83, Weslaco, TX 78596 Nacho's Food To Go at 1601 W Business 83, Weslaco, TX 78596 Denny's at 1416 W Expressway 83, Weslaco, TX 78599 Carl's Jr at 1408 W Expressway 83, Weslaco, TX 78599 Taco Bell at 1006 N Texas Blvd, Weslaco, TX 78596