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Crystal Gutierrez (Postmaster)
crystal.m.gutierrez@usps.gov
411 Oak St
Frederick, CO 80530
Frederick, CO 80530
The Frederick Post Office is located in the state of Colorado within Weld County. This location serves 3,790 Frederick residents with a median income of $63,801. It's estimated that approximately 6,049 packages pass through this post office each year.