South Congress Post Office

3903 S Congress Ave, Austin, TX 78704

Contact Numbers

Phone: 512-441-6603
Fax: 512-441-4853
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 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 5:00pm
Sunday Closed

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

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

Visit our Links Page for links to 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:

Southeast Austin
4516 Burleson Rd
1.2 miles away

Downtown Austin
823 Congress Ave Ste 150
2.0 miles away

Mockingbird
7310 Manchaca Rd
2.1 miles away

East Austin
1914 E 6th St
2.2 miles away

Reviews

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I finally used the On-line "hold mail" option when I went on vacation. It is now five (5) days that I'm home and my accumulated mail has yet to be delivered. This Post Office is where my mail is being held. I went to this PO yesterday...they couldn't find my 8 days worth of mail. I was told (by Sean and a woman) that they would speak to my Mail Carrier today (8/5), he had already left yesterday, and they would call me as soon as they spoke to him. That didn't happen yesterday. I called this Post Office several times today (each time the phone rang more than 30 times) and finally spoke to Sean at 1:30 +/-. He said that he would call the Postal Carrier right away. He promised that he would get back to me TODAY! It is now after 7:00 PM and I haven't heard back from anyone. I am extremely frustrated! There is at least one check in my missing mail and at least one package. I don't know if I will receive a charge to have the missing paycheck stopped/replaced and I don't know if I can replace what was in the package. This is the 1st time I have used your On-Line hold/deliver accumulated mail feature. I'm not sure I'll use this feature again. I think you want me to do this but right now I'm not a fan.
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