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Postal Barnhart Post Office
1635 Marriott Ln, Barnhart, MO 63012
Phone: 636-464-3606
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Monday 4:15pm
Tuesday 4:15pm
Wednesday 4:15pm
Thursday 4:15pm
Friday 4:15pm
Saturday 11:15am
Sunday Closed
Monday 9:00am - 1:00pm, 2:00pm - 2:30pm
Tuesday 9:00am - 1:00pm, 2:00pm - 2:30pm
Wednesday 9:00am - 1:00pm, 2:00pm - 2:30pm
Thursday 9:00am - 1:00pm, 2:00pm - 2:30pm
Friday 9:00am - 1:00pm, 2:00pm - 2:30pm
Saturday Closed
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
- Duck Stamps
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- 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:
Liguori
1 Liguori Dr
0.4 mile away
Imperial
6035 W Outer Rd
1.0 mile away
Kimmswick
6057 Front St
1.6 miles away
Pevely
305 Main St
2.5 miles away
Jefferson County
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