Defiance Post Office

2959 S Highway 94
Defiance, MO 63341
(636) 987-2407
(636) 987-2407
Hours of Operation: View Hours

View the Defiance Post Office hours along with contact information, and more to get your post office needs done in Defiance, MO.

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What are the hours for the Defiance Post Office?

Defiance Post Office Hours

Mon-Fri 8:00am-12:00pm 1:00pm-4:00pm Sat 9:00am-10:45am Sun closed

Defiance Post Office Additional Information:

Located in St. Charles County

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