Post Offices in Lawton, Oklahoma, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Lawton Post Office No Reviews Favorite Fax: (580) 353-4082Phone: (580) 353-1500Retail Hours Sheridan Lawton Post Office No Reviews Favorite Fax: (580) 536-3523Phone: (580) 536-3526Retail Hours