City and Public Services in Watertown, SD
City and Public Services
Usps
City and Public Services in Watertown, SD
- Address
- 1201 29TH ST SE, Watertown, SD 57201
- Phone
- (800) 275-8777
- Website
- usps.com
Last checked September 23, 2026. Call ahead to confirm hours.
Listing details from Overture Maps open data.