Lake Forest, CA ZIP Codes
Lake Forest, California has 2 ZIP codes: 2 for street addresses ( and ).
Your street decides which one you use.
Which Lake Forest ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Lake Forest ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Lake Forest city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Lake Forest ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 92610 | street delivery; mail may be addressed to Foothill Ranch Rancho Santa Margarita |
| 92630 | street delivery El Toro |
ZIP codes from nearby towns that reach into Lake Forest
- 92676, mailing town Silverado, covers 6 percent of Lake Forest
- 92679, mailing town Trabuco Canyon, covers 6 percent of Lake Forest
Why your mail may say Lake Forest when you live outside it
A letter addressed to Lake Forest can go to a home outside the city limits, because ZIP areas follow delivery routes, not town lines.
The reverse happens too: parts of Lake Forest use 92676 and 92679, which mail under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Orange County property records show which city you are in.
Lake Forest ZIP code questions
What is the main ZIP code for Lake Forest?
92610, the ZIP code of the main Rancho Santa Margarita post office at 29862 Avenida de Las Bandera.
What county is Lake Forest in?
Orange County.
ZIP codes for towns near Lake Forest
More towns near Lake Forest: Tustin, San Juan Capistrano, Newport Beach, Dana Point, Santa Ana, Costa Mesa, Temescal Valley, Orange, Anaheim.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections