Margaret Grieser (Postmaster)
margaret.e.grieser@usps.gov
36 Railroad St
Calder, ID 83808
Calder, ID 83808
The Calder Post Office is located in the state of Idaho within Shoshone County. This location serves 147 Calder residents with a median income of $29,861. It's estimated that approximately 235 packages pass through this post office each year.