Lone Star National Bank Address: 2300 E US Highway 83, Rio Grande City, TX 78582 Phone: (956) 488-0100 Banks Other Businesses: Plains Capital Bank at 5332 E US Highway 83, Rio Grande City, TX 78582 Ramirez, G Allen at 515 E 2nd St, Rio Grande City, TX 78582 Lone Star National Bank at 201 N Texas St, Rio Grande City, TX 78582 Citizen State Bank at 2546 Central Palm Dr, Rio Grande City, TX 78582