Robertson Banking Co Address: 1406 US Highway 80 W, Demopolis, AL 36732 Phone: (334) 289-6800 Banks Other Businesses: Regions Bank at 939 US Highway 80 E, Demopolis, AL 36732 Trustmark National Bank at 201 N Main Ave, Demopolis, AL 36732 Robertson Banking Co at 216 N Walnut Ave, Demopolis, AL 36732 Trustmark National Bank at 1400 US Highway 80 E, Demopolis, AL 36732