Post Offices in Key West, Florida, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Flagler Key West Post Office No Reviews Favorite Fax: (305) 294-6575Phone: (305) 296-7327Retail Hours Key West Post Office No Reviews Favorite Fax: (305) 294-6575Phone: (305) 294-9539Retail Hours Naval Air Station Unit 2 Post Office No Reviews Favorite Fax: (305) 294-6575Phone: (305) 293-2406Retail Hours