South Sioux City Post Office

NOTICE: The Postal Service is an essential government service, and will remain open wherever possible.

801 W 29th St, South Sioux City, NE 68776

Contact Numbers

Phone: 402-494-1312
Fax: 402-494-1234
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 2:15pm
Tuesday 2:15pm
Wednesday 2:15pm
Thursday 2:15pm
Friday 2:15pm
Saturday 2:15pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 8:00am - 2:30pm
Tuesday 8:00am - 2:30pm
Wednesday 8:00am - 2:30pm
Thursday 8:00am - 2:30pm
Friday 8:00am - 2:30pm
Saturday 9:00am - 11:30am
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
  • Duck Stamps
  • 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:

Sioux City
214 Jackson St
1.5 miles away

Dakota City
110 N 16th St
1.9 miles away

Sergeant Bluff
410 4th St
3.5 miles away

North Sioux City
310 N Derby Ln
4.0 miles away

Reviews

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14 days for postal mail from South Sioux City, Nebraska to Des Moines, Iowa. 10 days for postal mail from South Sioux City, Nebraska to Sioux city, Iowa. Ridiculous!!! Ugh! Fix the system!
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