ZIP Code 95987

95987 is one of California's ZIP codes, delivering to addresses in Williams, Colusa County.

City: Williams
County: Colusa County
State: California
Prefix: 959xx

Where this code sits

95987 is part of the 959xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Williams.

Williams California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 95987 delivers to without sharing its boundary.

ZIP codes nearest 95987

The ZIP codes whose reference points sit closest to 95987.
ZIP code	Distance	Delivers to
ZIP code 95932	12 mi	Colusa, CA
ZIP code 95955	13 mi	Maxwell, CA
ZIP code 95912	13 mi	Arbuckle, CA
ZIP code 95679	17 mi	Rumsey, CA
ZIP code 95950	18 mi	Grimes, CA
ZIP code 95637	20 mi	Guinda, CA
ZIP code 95937	21 mi	Dunnigan, CA
ZIP code 95970	21 mi	Princeton, 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 95987, plotted from its record coordinates.

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

Scope ZIP code 95987. 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.