Parlin is an unincorporated community and a U.S. Post Office in Gunnison County, Colorado, United States. The Parlin Post Office has the ZIP Code 81239. The town is named after rancher John Tufts Parlin who moved to the area from Maine in 1876. The Parlin ranch was called the 76 ranch and cattle were all branded with the numbers "76". County Road 76 is na…Parlin is an unincorporated community and a U.S. Post Office in Gunnison County, Colorado, United States. The Parlin Post Office has the ZIP Code 81239. The town is named after rancher John Tufts Parlin who moved to the area from Maine in 1876. The Parlin ranch was called the 76 ranch and cattle were all branded with the numbers "76". County Road 76 is named after the ranch. The local hot springs, Waunita Hot Springs is named after Parlin's niece, Waunita.