Postmaster Don in Ochopee, Florida Poster

"Postmaster Don in Ochopee, Florida" by Catherine Sherman. Postmaster Don greets postal patrons at the Ochopee, Florida, post office, which is the smallest post office building in the United States of America. The post office is houses in a tiny shed on U.S. Route 41 near Ochopee, Florida, 34141-9998. It is located about 3 miles (5 km) east of the intersection of US 41 and State Road 29. The closet-sized, 7x8-foot building used to be an irrigation pipe shed for a tomato farm. It was pressed into service after a fire in 1952 destroyed the Ochopee general store, which previously had housed the post office. The fully functional post office is in Big Cypress National Preserve, near the intersection of US 41 and State Road 29. The zip code is 34141-9998. Visitors can get a special postmark for mail posted there. The mailman who delivers mail from this post office has a daily route that stretches across three counties, 132 miles long, according to RoadsideAmerica.com