Post Offices in Sebring, Florida, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Lake Jackson Branch Post Office No Reviews Favorite Fax: (863) 382-4181Phone: (863) 382-6138Retail Hours Sebring Post Office No Reviews Favorite Fax: (863) 382-1458Phone: (863) 382-0578Retail Hours