Walnut, CA ZIP Codes, Coordinates & Counties
Walnut, California has 1 ZIP code in Los Angeles county. The approximate center of Walnut is 34.018, -117.855. Walnut has about 49,375 known street addresses.
ZIP codes in Walnut, CA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 91789 | Los Angeles | 34.018 | -117.855 |
Counties Walnut spans
Los Angeles
Most common streets in Walnut
Valley, Walnut, Pierre, Francesca, Fairway, Baker, Golden Springs, Harrison, Washington, Barnard
Frequently asked questions
What ZIP codes are in Walnut, CA?
Walnut, California has 1 ZIP code, ranging from 91789 to 91789. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Walnut, CA in?
Walnut is in Los Angeles county.
What are the latitude and longitude of Walnut, CA?
The approximate center of Walnut, California is latitude 34.018, longitude -117.855. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Walnut, CA have?
Walnut has 1 ZIP code.
How many addresses are in Walnut, CA?
Walnut, California has about 49,375 known street addresses in the sthan.io US address database.
What are the most common streets in Walnut, CA?
Some of the most common street names in Walnut are Valley, Walnut, Pierre, Francesca, Fairway, Baker.
What cities are near Walnut, CA?
Cities near Walnut include Diamond Bar (3 mi), Rowland Heights (4 mi), West Covina (4 mi), Covina (5 mi), Brea (6 mi).
Cities near Walnut
Diamond Bar, CA (3 mi) Rowland Heights, CA (4 mi) West Covina, CA (4 mi) Covina, CA (5 mi) Brea, CA (6 mi) La Puente, CA (6 mi) Pomona, CA (6 mi) Hacienda Heights, CA (7 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database