Lake County California has a total of 18 ZIP Codes. The ZIP Codes in Lake County range from 95422 to 95493. There are 4 ZIP Codes in Lake County that extend into adjacent counties (Mendocino County, Napa County, and Sonoma County).
| ZIP Code | ZIP Code City/Town | |||
|---|---|---|---|---|
| Clearlake | |||
| Clearlake Oaks | |||
| Clearlake Park | |||
| Cobb | |||
| Finley | |||
| Glenhaven | |||
| Healdsburg | |||
| Kelseyville | |||
| Lakeport | |||
| Lower Lake | |||
| Lucerne | |||
| Middletown | |||
| Nice | |||
| Hidden Valley Lake | |||
| Potter Valley | |||
| Talmage | |||
| Upper Lake | |||
| Witter Springs |