 Weekdays 6 to 10 on Northern Colorado's Voice. 103.1 and 1310 KFKA. The Agfinity Cooperative has served Northern Colorado since 1905 by providing valuable solutions and services to the communities it serves. If you're looking to maximize your livestock and crop yield, simplify your commercial fuel planning, have peace of mind with your home propane needs, or simply want to grab a snack while fueling your vehicle,