Dion A Davidson (Postmaster)
dion.a.davidson@usps.gov
3 Valley Center
Caledonia, MO 63631
Caledonia, MO 63631
The Caledonia Post Office is located in the state of Missouri within Washington County. This location serves 849 Caledonia residents with a median income of $57,321. It's estimated that approximately 1,355 packages pass through this post office each year.