Flatonia Post Office

105 E South Main St, Flatonia, TX 78941

Contact Numbers

Phone: 361-865-3331
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
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

Last Collection Times

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 12:00am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 8:30am - 12:30pm, 2:30pm - 4:00pm
Tuesday 8:30am - 12:30pm, 2:30pm - 4:00pm
Wednesday 8:30am - 12:30pm, 2:30pm - 4:00pm
Thursday 8:30am - 12:30pm, 2:30pm - 4:00pm
Friday 8:30am - 12:30pm, 2:30pm - 4:00pm
Saturday 9:30am - 11:00am
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
  • General Delivery
  • 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:

206 S Main St
4.8 miles away

423 W Us Highway 90
7.7 miles away

622 Anderson St
8.0 miles away

217 W 7th St
10.7 miles away


*Comments below are not read by postal employees. Please do not post personal information.

*By clicking Submit, you agree to our Privacy Policy & Terms of Use.


1) listed phone is no longer in service 2) mileage to every nearby Post Office is inaccurate. 3) 1-800 automated system has no human intervention access for items not listed or where caller has insufficient information.

*postallocations.com is not a part of, or affiliated with, the official United States Postal Service (USPS).