Southwest Carrier Annex Post Office

4709 S Technopolis Dr, Sioux Falls, SD 57106

Contact Numbers

Phone: 605-575-3584
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Lobby Hours

Monday 7:30am - 5:30pm
Tuesday 7:30am - 5:30pm
Wednesday 7:30am - 5:30pm
Thursday 7:30am - 5:30pm
Friday 7:30am - 5:30pm
Saturday 9:00am - 1:00pm
Sunday Closed

Last Collection Times

Monday 5:30pm
Tuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 5:30pm
Sunday Closed

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

  • Business Line
  • Pickup Accountable Mail
  • Pickup Hold Mail

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:

Meadows Postal Store
2501 S Louise Ave
0.9 mile away

Sioux Falls
320 S 2nd Ave
2.7 miles away

Tea
502 E Figzel Ct Ste a
3.0 miles away

Harrisburg
307 E Willow St
4.2 miles away

Reviews

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The serious fact is that I have been waiting for a ebike to be delivered to my address which was deliveryed here to sioux falls on july 15, 2023, which by track 17, which is how I have known where this ebike is suppose to be physically here! Now right now being very pissed off that even my call waas not picked up today here and I am giving only a few hours here if I do not get a call back or even for where my ebike is here at my addess today I will be fully starting a lagal action case against this postal service for staling and lies here which I know that one has stilen my ebike from me and was not deloveryed to my address right away and track 17 has proven it is here in sioux falls SD and shows how little respect and proffestional actions have not been shown by this !
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Getting in touch with anyone on a lost package was impossible!!!!! I would see the tracking but when trying to contact someone on the package could not reach anyone and the online stuff did nothing for me.
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