Oral, South Dakota
Oral is an unincorporated community in Fall River County, South Dakota.
Although not tracked by the Census Bureau, Oral has been assigned the ZIP Code of 57766.History
A post office called Oral has been in operation since 1894. Some say Oral has the middle name of the first postmaster's son, while others believe the community was so named with the expectation the place would become something people would be talking about.