Pamela K Aho (Postmaster)
pamela.k.aho@usps.gov
13640 E State Highway M28
Sidnaw, MI 49961
Sidnaw, MI 49961
The Sidnaw Post Office is located in the state of Michigan within Houghton County. This location serves 107 Sidnaw residents with a median income of $24,083. It's estimated that approximately 171 packages pass through this post office each year.