Brief by Rayna Bailey
Hillside CO Post Office – September 1999 – Colorado Central Magazine
Hillside 81232
Travelers heading north on Highway 69 who blink at the wrong moment might miss the town of Hillside, which sits on the Frémont-Custer county line. About the only indication that there is anything more than a collection of homes and ranches scattered across the countryside is the towering sign along the road proclaiming, “Welcome to Hillside, Est. 1904.”