Dumas Office Mailing Address P.O. Box 400, Dumas, TX 79029-0400 Numbers Phone (806) 935-3333 Toll Free (800) 952-2920 Fax (806) 935-5714 ATM & Night Drop Indoor and drive-thru, 515 S Bliss, Dumas Taylor Food Mart, 501 N Maddox Ave, Dumas McKee Plant, Hwy 119 (9 miles NE of Dumas) 601 Main St, Sunray