ZIP Code 95423

95423 is one of California's ZIP codes, delivering to addresses in Clearlake Oaks, Lake County.

City: Clearlake Oaks
County: Lake County
State: California
Prefix: 954xx

Where this code sits

95423 is part of the 954xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Clearlake Oaks.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 95423 delivers to without sharing its boundary.

ZIP codes nearest 95423

The ZIP codes whose reference points sit closest to 95423.
ZIP code	Distance	Delivers to
ZIP code 95443	5.0 mi	Glenhaven, CA
ZIP code 95424	6.9 mi	Clearlake Park, CA
ZIP code 95458	7.0 mi	Lucerne, CA
ZIP code 95422	7.6 mi	Clearlake, CA
ZIP code 95464	10 mi	Nice, CA
ZIP code 95451	11 mi	Kelseyville, CA
ZIP code 95435	13 mi	Finley, CA
ZIP code 95457	13 mi	Lower Lake, CA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 95423, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 95423. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.