ZIP Code 91789: Walnut, California
ZIP code 91789 is assigned to Walnut, California, and lies within Los Angeles County. Its reference point is at latitude 34.0183 and longitude -117.8546 (34°01'05.9"N 117°51'16.6"W).
Location Overview of ZIP Code 91789
Walnut, CA has 3 ZIP codes in our directory. Besides 91789, they include 91788, 91795.
Across Los Angeles County there are 532 ZIP codes listed, and California has 2,792 in total.
The nearest listed ZIP code is 91792 in West Covina, CA, about 2.5 mi to the west.
| ZIP code | 91789 |
|---|---|
| City | Walnut |
| County | Los Angeles County |
| State | California (CA) |
| Latitude | 34.0183 |
| Longitude | -117.8546 |
| DMS | 34°01'05.9"N 117°51'16.6"W |
| Nearest ZIP | 91792 (West Covina, 2.5 mi) |
Map of ZIP Code 91789
Map centered on 34.0183, -117.8546. The pin marks the ZIP code's reference point, not its boundary.
Photos of Walnut, CA
Video: Walnut, CA
Exploring Downtown Walnut Creek, California USA Walking Tour #walnutcreek #downtownwalnutcreek — by Exploration To Go · Watch on YouTube
ZIP Codes Near 91789
These 15 ZIP codes have the closest reference points to 91789, measured in a straight line.
Nearby Cities and Towns
The closest communities to ZIP code 91789, measured in a straight line from its reference point, are West Covina, CA (2.5 mi west), Diamond Bar, CA (2.7 mi east) and Rowland Heights, CA (3.5 mi southwest). Distances are approximate and road distances will be longer.
- West Covina, CA – 2.5 mi west
- Diamond Bar, CA – 2.7 mi east
- Rowland Heights, CA – 3.5 mi southwest
- La Puente, CA – 4.8 mi west
- Covina, CA – 5.0 mi north
- Pomona, CA – 5.6 mi northeast
- San Dimas, CA – 6.2 mi north
- Brea, CA – 6.4 mi south
- Hacienda Heights, CA – 6.5 mi west
Schools Near Walnut, CA
If you are moving to ZIP code 91789, check the school district serving Walnut and Los Angeles County to confirm which public schools serve your street address.
Searching nearby communities such as West Covina and Diamond Bar can widen the list of public, private and charter options. The links below open live Google Maps results centered on 91789.
Parks and Outdoor Recreation
Use the map above to explore green space around Walnut. Zoom out to look for larger parks and nature areas beyond the ZIP code 91789 area.
Hospitals and Healthcare
Hospitals, urgent care clinics and pharmacies serving Walnut, CA can be found with the searches below. In a medical emergency, call 911.
Residents of ZIP code 91789 may also use facilities in nearby West Covina, Diamond Bar and Rowland Heights.
Shopping and Dining in Walnut
For places to eat and shop near Walnut, CA, the searches below show up-to-date listings around ZIP code 91789.
Libraries and Historical Places
Public libraries, museums and historic sites near Walnut, California can be found with the searches below, which are centered on ZIP code 91789.
To research local history, try searching for Los Angeles County records and archives along with the name Walnut.
Roads, Rivers and Lakes
From ZIP code 91789, West Covina lies about 2.5 mi to the west, Diamond Bar lies about 2.7 mi to the east, Rowland Heights lies about 3.5 mi to the southwest, La Puente lies about 4.8 mi to the west and Covina lies about 5.0 mi to the north. Use the directions link for turn-by-turn routes and road names.
Rivers, lakes and other water features near Walnut show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 91789
Photo & Video Credits
- Photo 1 (“Pomona Freeway”): Bmamlyuk, CC0, via Wikimedia Commons.
- Video: “Exploring Downtown Walnut Creek, California USA Walking Tour #walnutcreek #downtownwalnutcreek” by Exploration To Go, embedded from YouTube. All rights belong to the creator.
Photos are shown from their original source under the licenses listed. They were taken near this ZIP code's reference point and may show neighboring areas.
Data for ZIP code 91789 comes from a public U.S. postal code dataset and is provided for general reference. Always confirm mailing details with the U.S. Postal Service.