📍NearSpotUSA Add business

Categories Locations Saved Add business Sign in

📍NearSpotUSA

Find local businesses in every city and ZIP code across the United States.

Explore

All categories
Browse by state
Search listings
About / data sources

For businesses

Add your business
My listings
Business admin

Your account

Sign in
Saved places
Account

Business data from Overture Maps Foundation (CDLA-Permissive 2.0). ZIP code and city data from GeoNames (CC BY 4.0). Maps © OpenStreetMap contributors.

© 2026 NearSpotUSA.

US Post Office — Walnut, CA | NearSpotUSA

Home/Post Offices/Walnut/91789

📮

US Post Office

Post Offices · Walnut, CA

No reviews yet

Call (909) 598-4278 Visit website Directions

Loading map…

Reviews

Sign in to write a review.

No reviews yet — be the first to share your experience.

Contact

21080 Golden Springs Dr, Walnut, CA 91789
(909) 598-4278
www.usps.com

Location

All listings in Walnut
All listings in 91789
All post offices

Is this your business? Claim or update this listing.

More post offices nearby

📮

United States Postal Service (USPS)

Post Offices · Walnut, CA

Not yet reviewed

280 S Lemon Ave

91788 Call tools.usps.com

📞 Call Directions