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Frederick Post Office Hours

Retail Hours

Contact Numbers:

Phone: 303-833-2581
Monday-Friday 8:00am - 12:30pm, 1:30pm - 5:00pm
Saturday 10:00am - 12:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 9:00am - 12:30pm, 1:30pm - 4:00pm
Saturday-Sunday Closed

Monday-Friday 8:00am - 12:30pm, 1:30pm - 5:00pm
Saturday 9:00am - 11:00am
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

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Crystal Gutierrez (Postmaster)
411 Oak St
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.

Frederick Post Office Location

Frederick Colorado Local Links