Defiance Post Office

2959 S Highway 94, Defiance, MO 63341

Contact Numbers

Phone: 636-987-2407
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

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

Last Collection Times

Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 10:45am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:00am - 11:00am, 1:00pm - 3:30pm
Tuesday 9:00am - 11:00am, 1:00pm - 3:30pm
Wednesday 9:00am - 11:00am, 1:00pm - 3:30pm
Thursday 9:00am - 11:00am, 1:00pm - 3:30pm
Friday 9:00am - 11:00am, 1:00pm - 3:30pm
Saturday 9:00am - 10:30am
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Saint Albans
3451 Saint Albans Rd Ste E
2.0 miles away

Glencoe
18072 Manchester Rd
4.4 miles away

Augusta
237 Ferry St
4.8 miles away

Labadie
106 3rd St
5.1 miles away

Reviews

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Worst post office ever. 4 days of no mail because there's hills in the country and it snowed 4 days ago.
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Mail service is a joke , several times in the last few months my packages have been delivered to the wrong address not once but twice for the same package! I recently received a check in the mail addressed. to someone with a different name ,address and city. Today i checked the tracking on a package that has been out for delivery for four days and has been to the Dist . center twice . the tracking today says it was delivered to my mailbox. It might be in some mailbox but its sure not in mine.
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Horrible customer service mail person's mix up mail on a regular I sent an envelope with a large card. Mail was obviously opened looking for a gift card. Sent to recipient 3 weeks later taped up envelope and the stamps had not been used. Obvious to me it was opened in the Defiance PO careless and unlawful goings on
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did we have mail delivered today saturday 6/29
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