Walnut, CA ZIP Code
ZIP code, county, time zone and coordinates of Walnut, California
The ZIP code of Walnut, CA is 91789. It is in Los Angeles County.
Mailing address format for Walnut
John Smith 123 Main St WALNUT CA 91789 USA
USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.
All ZIP codes in Walnut
| ZIP code | Population | Area | |
|---|---|---|---|
| 91789 | — | 15.9 sq mi | Main |
ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.
Where is Walnut? Location, county and time zone
- State
- California
- County
- Los Angeles County
- GPS coordinates
- 34.03705, -117.85578
- Elevation
- 561 ft (171 m)
- Time zone
- America/Los AngelesPST · UTC-08:00
- Population
- 28,430
Map of Walnut, CA 91789
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Walnut Street View
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Open in Google Maps ›ZIP codes near Walnut
- South San Jose Hills, CA
917923.3 mi - Diamond Bar, CA
91765, 917893.3 mi - West Covina, CA
91791, 91792, 91790, 917443.4 mi - Covina, CA
91723, 91791, 91724, 917224.0 mi - Valinda, CA
917444.3 mi - Charter Oak, CA
917404.5 mi - Industry, CA
91744, 91792, 91790, 917454.9 mi - Rowland Heights, CA
917485.0 mi - San Dimas, CA
91773, 917405.6 mi - Pomona, CA
91766, 91768, 917675.6 mi - La Puente, CA
917445.6 mi - Citrus, CA
917225.7 mi
Walnut ZIP code: FAQ
What is the ZIP code for Walnut, CA?
The main ZIP code for Walnut, CA is 91789.
How many ZIP codes does Walnut have?
Walnut has 1 ZIP code.
What county is Walnut, CA in?
Walnut is in Los Angeles County, California.
What time zone is Walnut in?
Walnut is in the America/Los Angeles time zone (PST, UTC-08:00 right now).
What are the coordinates of Walnut?
Latitude 34.03705, longitude -117.85578.
Last updated: