Defiance Post Office

2959 S Highway 94 Defiance, MO 63341
Phone: 636-987-2407

Parking: Parking Lot Available
Post Office Lobby Hours
Monday 7:30am - 4:00pm
Tuesday 7:30am - 4:00pm
Wednesday 7:30am - 4:00pm
Thursday 7:30am - 4:00pm
Friday 7:30am - 4:00pm
Saturday 8:15am - 10:45am
Sunday Closed


Defiance Post Office is a United States Postal Service (USPS) facility in Defiance, MO. This post office offers a full array of services, including package delivery and first class mail.


Business Reply Mail® Account Balance
Business Reply Mail New Permit
Bulk Mail New Permit
Burial Flags
Bulk Mail Acceptance
Bulk Mail Account Balance
Carrier Services
Money Orders (Domestic)
Money Orders (Inquiry)
Money Orders (International)
Pickup Hold Mail
Pickup Accountable Mail
Pickup Notice Left Mail
PO Boxes
Priority Mail International®

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