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United States Postal Service
One of 6 shipping or delivery service listings in Keystone.
About United States Postal Service
United States Postal Service is a shipping or delivery service in the public service and government sector, based in Keystone, SD. Its recorded address is 233 Swanzey St, 57751. The listing includes a telephone number, an official website. It is one of 6 shipping or delivery service listings tracked in Keystone; the nearest comparable listing is KEYSTONE, within walking distance in KEYSTONE. United States Postal Service has 31,861 listed locations in total; this page covers the Keystone branch.
- Address
- 233 Swanzey St, Keystone, SD, 57751
- Phone
- 8002758777
- Website
- tools.usps.com
Questions
Where is United States Postal Service located?
233 Swanzey St, Keystone, SD, 57751
How do I contact United States Postal Service?
8002758777 · https://tools.usps.com/locations/details/1368984?utm_source=website-url&utm_medium=search&utm_campaign=yext
What type of business is United States Postal Service?
United States Postal Service is a shipping or delivery service (public service and government) in Keystone.
United States Postal Service branches
United States Postal Service has 31,861 listed locations. This branch is in Keystone.
- Honaunau96726
- Pahoa96778-3001
- Kurtistown96760-3001
- Kailua Kona96740
- Hilo96720-0014
- Pepeekeo96783-8497
- Waikoloa96738-2001
- Ninole96773-9997
- Kamuela96743-3501
- Honokaa96727-7211
Nearby shipping or delivery service
- KEYSTONEKEYSTONE0.0 km
- US Post OfficeKeystone0.0 km
- Post Office-KeystoneKeystone0.0 km
- US Post OfficeHill City12.8 km
- HILL CITYHILL CITY12.8 km
- United States Postal ServiceHill City12.8 km
- Post Office-CusterCuster19.6 km
- CUSTERCUSTER19.6 km
- US Post OfficeCuster19.6 km
- United States Postal ServiceCuster19.6 km
- UPS Authorized Shipping ProviderCUSTER19.8 km
- United States Postal ServiceHermosa19.7 km
- HERMOSAHERMOSA19.7 km
- Post Office-HermosaHermosa19.7 km
- The UPS StoreRapid City24.3 km
Cite this page
“United States Postal Service, Keystone — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.