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United States Postal Service
One of 10 shipping or delivery service listings in O Fallon.
About United States Postal Service
United States Postal Service is a shipping or delivery service in the professional services sector, based in O Fallon, MO. Its recorded address is 401 Church St, 63366. The listing includes a telephone number, an official website. It is one of 10 shipping or delivery service listings tracked in O Fallon; the nearest comparable listing is US Post Office, within walking distance in O'Fallon. United States Postal Service has 31,861 listed locations in total; this page covers the O Fallon branch.
- Address
- 401 Church St, O Fallon, MO, 63366
- Phone
- 8002758777
- Website
- tools.usps.com
Questions
Where is United States Postal Service located?
401 Church St, O Fallon, MO, 63366
How do I contact United States Postal Service?
8002758777 · https://tools.usps.com/locations/details/1375691?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 (professional services) in O Fallon.
United States Postal Service branches
United States Postal Service has 31,861 listed locations. This branch is in O Fallon.
- Honaunau96726
- Pahoa96778-3001
- Kurtistown96760-3001
- Kailua Kona96740
- Hilo96720-0014
- Pepeekeo96783-8497
- Waikoloa96738-2001
- Ninole96773-9997
- Kamuela96743-3501
- Honokaa96727-7211
Nearby shipping or delivery service
- US Post OfficeO'Fallon0.0 km
- O FALLONO FALLON0.0 km
- Ofallon Post OfficeO'Fallon0.0 km
- USPSO'Fallon0.1 km
- UPS Access Point locationO FALLON1.1 km
- FedEx Office Print & Ship CenterO Fallon1.8 km
- FedEx ShipSiteO Fallon1.8 km
- UPS Access Point locationO FALLON1.9 km
- UPS Access Point locationO Fallon3.5 km
- UPS Access Point locationO FALLON4.9 km
- PSP, etc.O Fallon5.4 km
- The UPS StoreSt Peters4.3 km
- The UPS StoreOfallon5.7 km
- UPS Access Point locationO FALLON5.9 km
- ALPLASt. Peters4.9 km
Cite this page
“United States Postal Service, O Fallon — 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.