Foil, Missouri is an unincorporated community in northern Ozark County

Ozark County, Missouri

Ozark County is a county located in South Central Missouri in the United States. As of the 2000 U.S. Census, the county's population was 9,542. A 2008 estimate, however, showed the population to be 9,227. The largest city and county seat is Gainesville. From 1843 to 1845 the county was called...

. It is about sixteen miles south of Ava

Ava, Missouri

Ava is the only incorporated city in Douglas County, Missouri, United States. The population was 2,993 at the 2010 census. Ava is the county seat of Douglas County. The city was founded in 1871 and was named Ava in 1881 after being renamed from the town's original name, Militia...

 on a county road.

It formerly had a post office

Post office

A post office is a facility forming part of a postal system for the posting, receipt, sorting, handling, transmission or delivery of mail.Post offices offer mail-related services such as post office boxes, postage and packaging supplies...

 with ZIP code

ZIP Code

ZIP codes are a system of postal codes used by the United States Postal Service since 1963. The term ZIP, an acronym for Zone Improvement Plan, is properly written in capital letters and was chosen to suggest that the mail travels more efficiently, and therefore more quickly, when senders use the...

 65661, but mail is now served by the post office in Squires

Squires, Missouri

Squires is an unincorporated community in Douglas County, Missouri, United States. Squires is located about eight miles south of Ava on Route 5....

. Its postmaster was Irving Terry, who also ran the General Store. Foil also was home to a one-room schoolhouse until the late 1950s.