Allison, Colorado

Allison is an unincorporated community on the Southern Ute Indian Reservation in La Plata County, Colorado, United States.

History The Southern Ute Indian Reservation was created on November 9, 1878. The Allison, Colorado, post office operated from August 22, 1904, until November 30, 1954. The community was named after Allison Stocker, a government surveyor. Allison is now served by the Ignacio, Colorado, post office (ZIP code 81137).