Gwendolyn Doyle (Postmaster)
gwendolyn.a.doyle@usps.gov
100 Washington St
Mineral, WA 98355
Mineral, WA 98355
The Mineral Post Office is located in the state of Washington within Lewis County. This location serves 628 Mineral residents with a median income of $45,231. It's estimated that approximately 1,002 packages pass through this post office each year.