Lake County ZIP Codes (95422 – 95493) – California

by

Lake County is located along the northern coast of California, United States, and surrounds Clear Lake, the largest natural freshwater lake entirely within the state. ZIP codes in Lake County range from 95422 to 95493 and are administered by the United States Postal Service (USPS) for accurate mail delivery, address identification, and local administration across cities, towns, rural neighborhoods, shoreline communities, and agricultural areas.

Key Information About Lake County ZIP Codes

ItemDetails
CountyLake County
StateCalifornia
ZIP Code Range95422 – 95493
County SeatLakeport
Largest CityClearlake
CountryUnited States
ContinentNorth America
Postal AuthorityUnited States Postal Service (USPS)

ZIP Codes of Lake County by City & Community

For more details on ZIP codes in Lake County, see the tables of cities, towns, communities, and notable neighborhoods below.

Clearlake Area (95422 – 95426 – 95451 – 95457)

Place / LocationZIP CodeState
Clearlake Central95422California
Clearlake North95422California
Clearlake South95422California
Clearlake Oaks95423California
Clearlake Park95424California
Clearlake Riviera95451California
Clearlake West95457California
Hidden Valley Lake95467California
Bayview Heights95422California
Soda Bay95451California

Kelseyville & Big Valley Area (95451 – 95464)

Place / LocationZIP CodeState
Kelseyville Downtown95451California
Kelseyville North95451California
Kelseyville South95451California
Big Valley95464California
Riviera Heights95451California
Buckingham Park95451California
Baechtel95464California
Old Highlands95464California
Blue Lakes Area95464California
Riviera West95451California

Lakeport & North Shore Area (95453 – 95464)

Place / LocationZIP CodeState
Lakeport Central95453California
North Lakeport95453California
Lakeport Heights95453California
Lucerne95458California
Nice95464California
Blue Lakes South95464California
Upper Lake Road Area95464California
Bountiful95453California
Fairway Pines95453California
Lakeshore East95458California

Lower Lake, Finley & Glenhaven Area (95457 – 95435 – 95443)

Place / LocationZIP CodeState
Lower Lake Central95457California
Lower Lake East95457California
Finley95435California
Finley West95435California
Glenhaven95443California
Habematolel Pomo Community95457California
George Hills95457California
Lower Lake South95457California
Finley Heights95435California
Glenhaven Ridge95443California

Middletown & Anderson Springs Area (95461)

Place / LocationZIP CodeState
Middletown Central95461California
Middletown East95461California
Middletown West95461California
Anderson Springs95461California
Loch Lomond95461California
Middletown Heights95461California
Hidden Valley South95461California
Middletown North95461California
Middletown Rural95461California
Lake County Fire District Area95461California

Upper Lake & Witter Springs Area (95485 – 95493)

Place / LocationZIP CodeState
Upper Lake Central95485California
Upper Lake North95485California
Upper Lake South95485California
Upper Lake East95485California
Witter Springs95493California
Bootjack Rancheria95485California
Upper Lake Ranch Area95485California
Witter Ridge95493California
Lake County Backroads95485California
Witter Springs West95493California

Lake County includes numerous smaller rural neighborhoods, vineyards, summer homes, forested areas, and place names that fall within the ZIP codes listed above. These areas are served by USPS delivery routes tied to nearby cities, towns, and communities throughout the county.

About Lake County ZIP Code

Each ZIP code in Lake County corresponds to cities, towns, and rural areas around Clear Lake and beyond. Some ZIP codes serve larger population centers like Clearlake, Kelseyville, and Lakeport. Others cover smaller lakeshore and hill communities such as Lucerne, Nice, and Upper Lake.

Using the correct ZIP code helps mail arrive on time. It also supports deliveries, emergency services, mapping, and accurate address searches throughout Lake County.