ZIP Code 96137

96137 is one of California's ZIP codes, delivering to addresses in Westwood, Lassen County.

City: Westwood
County: Lassen County
State: California
Prefix: 961xx

Where this code sits

96137 is part of the 961xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Westwood.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 96137 delivers to without sharing its boundary.

ZIP codes nearest 96137

The ZIP codes whose reference points sit closest to 96137.
ZIP code	Distance	Delivers to
ZIP code 96020	11 mi	Chester, CA
ZIP code 95947	11 mi	Greenville, CA
ZIP code 95934	17 mi	Crescent Mills, CA
ZIP code 95984	18 mi	Twain, CA
ZIP code 96130	21 mi	Susanville, CA
ZIP code 96127	21 mi	Susanville, CA
ZIP code 95915	24 mi	Belden, CA
ZIP code 95983	24 mi	Taylorsville, 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 96137, plotted from its record coordinates.

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

Scope ZIP code 96137. 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.