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Mike Y Brownfield (Postmaster)
mike.y.brownfield@usps.gov
823 Arthur St
Caldwell, ID 83605
Caldwell, ID 83605
The Caldwell Post Office is located in the state of Idaho within Canyon County. This location serves 39,649 Caldwell residents with a median income of $37,483. It's estimated that approximately 63,284 packages pass through this post office each year.