4709 S Technopolis Dr Sioux Falls, SD 57106
Phone: 605-575-3584
| Post Office 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 |
Mailboxes in Sioux Falls
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Southwest Carrier Annex Post Office is a United States Postal Service (USPS) facility in Sioux Falls, SD. This post office offers a full array of services, including package delivery and first class mail.