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US Post Office
One of 18 shipping or delivery service listings in Walnut.
About US Post Office
US Post Office is a shipping or delivery service in the public service and government sector, based in Walnut, CA. Its recorded address is 280 S Lemon Ave, 91788. The listing includes a telephone number, an official website, an email address. It is one of 18 shipping or delivery service listings tracked in Walnut; the nearest comparable listing is WALNUT, within walking distance in WALNUT. US Post Office has 7,292 listed locations in total; this page covers the Walnut branch.
- Address
- 280 S Lemon Ave, Walnut, CA, 91788
- Phone
- (800) 275-8777
- Website
- tools.usps.com
- prc-pagr@prc.gov
- Social
Questions
Where is US Post Office located?
280 S Lemon Ave, Walnut, CA, 91788
How do I contact US Post Office?
(800) 275-8777 · https://tools.usps.com/find-location.htm?location=1386306
What type of business is US Post Office?
US Post Office is a shipping or delivery service (public service and government) in Walnut.
US Post Office branches
US Post Office has 7,292 listed locations. This branch is in Walnut.
- Kailua Kona96740-2440
- Hilo96720
- Hilo96720
- Laupahoehoe96764-9997
- Kapaau96755-3001
- Kihei96753
- Lanai City96763
- Pukalani96788
- Lahaina96761
- Honolulu96817
Nearby shipping or delivery service
- WALNUTWALNUT0.0 km
- United States Postal Service (USPS)Walnut0.0 km
- Speedy Car ShippingWalnut0.1 km
- VFS FreightWalnut0.1 km
- Mail And MoreWalnut0.2 km
- UPS Authorized Shipping OutletWALNUT0.2 km
- UPS Authorized Shipping OutletWalnut1.0 km
- Command Delivery SystemsWalnut1.2 km
- FedEx® Drop BoxWalnut1.5 km
- UPS Authorized Shipping OutletDIAMOND BAR1.7 km
- Diamond Bar Mail N MoreDiamond Bar1.7 km
- UPS Access Point locationWalnut1.5 km
- Crockett PackagingRowland Heights2.0 km
- America Chung NamWalnut2.2 km
- Port Logistics GroupCity Of Industry2.0 km
Cite this page
“US Post Office, Walnut — 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.