Prosperity Bank Address: 103 N State Highway 359, Mathis, TX 78368 Phone: (361) 547-3336 Banks Other Businesses: Texas Champion Bank at 1300 Loop 459, Mathis, TX 78368 La Quinta Inn & Suites Mathis at 12909 I H 37, Mathis, TX 78368 Mathis Motor Inn & Rv at 1223 N Front St, Mathis, TX 78368 Lakeside Inn & Suites at 1500 N State Highway 359, Mathis, TX 78368