Palmer & Sons Const 101 Jones Ave Hartman, CO 81043 Phone : (719) 739-4781 Southeastern Colorado Co-op 103 N 1st Ave Hartman, CO 81043 Phone : (719) 739-4276 East Prowers Weed Control District 500 S Main St Hartman, CO 81043 Phone : (719) 739-4561 Post Office - Hartman 101 N Main St Hartman, CO 81043 Phone : (719) 739-4336