Central Valley Ag Co-Op Address: 26983 467th St, Humphrey, NE 68642 Phone: (402) 923-9717 Fertilizers, Cooperatives, Farm Organizations Other Businesses: Schumacher Law Firm at 1765 26th Ave, Humphrey, NE 68642 Club 81 at Highway 91 & 81, Humphrey, NE 68642