# USPS Upgrades Sioux Falls Processing Center

The U.S. Postal Service (USPS) Office of the Inspector General has confirmed that South Dakota's mail delivery delays are linked to the USPS modernization plan, which rerouted mail processing out-of-state. To address these issues, USPS plans to upgrade its Sioux Falls processing plant to a regional center in 2027, aiming to improve intrastate mail handling and reduce delivery times across South Dakota.

- This upgrade represents a significant procurement and infrastructure investment opportunity for contractors specializing in mail processing technology and facility modernization.
- Procurement professionals should prepare for upcoming solicitations related to equipment, technology upgrades, and facility enhancements at the Sioux Falls center.
- The initiative underscores the importance of regional mail processing capabilities in improving service levels, which may influence future USPS modernization projects.
- Stakeholders should consider the impact on logistics and supply chain operations within South Dakota, particularly in cities like Sioux Falls, Rapid City, Pierre, and Milbank.

**Jurisdictions:** federal
**Industries:** Transportation
**Topics:** Physical Infrastructure
**Published:** September 24, 2026

### Government Entities
- U.S. Postal Service (USPS)
- Office of the Inspector General

### Key Quotes
> We’ll be watching the USPS’s team closely to see if and how these recommendations are implemented, and whether they actually make meaningful improvements in delivery time.
> — Mike Rounds, U.S. Senator

### Sources
- [USPS audit confirms longstanding mail issues in SD](https://www.sdnewswatch.org/postal-service-usps-audit-mail-delays-south-dakota) - sdnewswatch.org