Post Offices in Rifle, Colorado, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Rifle Post Office No Reviews Favorite Fax: (970) 625-9430Phone: (970) 625-1070Retail Hours Rifle Annex Post Office No Reviews Favorite Phone: (970) 625-1078Retail Hours