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United States Postal Service
One of 53 shipping or delivery service listings in Ontario.
About United States Postal Service
United States Postal Service is a shipping or delivery service in the professional services sector, based in Ontario, CA. Its recorded address is 1126 N Mountain Ave, 91762. The listing includes a telephone number, an official website. It is one of 53 shipping or delivery service listings tracked in Ontario; the nearest comparable listing is US Post Office, within walking distance. United States Postal Service has 31,861 listed locations in total; this page covers the Ontario branch.
- Address
- 1126 N Mountain Ave, Ontario, CA, 91762
- Phone
- 8002758777
- Website
- tools.usps.com
Questions
Where is United States Postal Service located?
1126 N Mountain Ave, Ontario, CA, 91762
How do I contact United States Postal Service?
8002758777 · https://tools.usps.com/locations/details/1377772?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 Ontario.
United States Postal Service branches
United States Postal Service has 31,861 listed locations. This branch is in Ontario.
- 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 OfficeOntario0.0 km
- PLAZA CENTERONTARIO0.0 km
- The UPS StoreOntario0.2 km
- UPS Access Point locationUpland1.2 km
- UPS Alliance Shipping PartnerUPLAND1.3 km
- UPS Access Point locationUPLAND1.3 km
- UPS Alliance Shipping PartnerUPLAND1.3 km
- Amazon Locker - NadaUpland1.6 km
- Elite Shipping | OntarioOntario1.9 km
- The UPS StoreMontclair1.9 km
- MONTCLAIRMONTCLAIR2.1 km
- United States Postal ServiceMontclair2.1 km
- UPS Access Point locationOntario2.6 km
- DOWNTOWN ONTARIOONTARIO2.4 km
- United States Postal ServiceOntario2.4 km
Cite this page
“United States Postal Service, Ontario — 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.