Siskiyou County ZIP Codes

Siskiyou County is a county of California.

ZIP codes: 22
Cities & towns: 22
Area codes: 2
Land area: 6,279 sq mi

Every ZIP code in Siskiyou County

955xx–961xx

The complete list of Siskiyou County, CA ZIP codes with the city each one delivers to.
ZIP code	City
95568	Somes Bar
96014	Callahan
96023	Dorris
96025	Dunsmuir
96027	Etna
96031	Forks Of Salmon
96032	Fort Jones
96034	Gazelle
96037	Greenview
96038	Grenada
96039	Happy Camp
96044	Hornbrook
96050	Klamath River
96057	Mccloud
96058	Macdoel
96064	Montague
96067	Mount Shasta
96085	Scott Bar
96086	Seiad Valley
96094	Weed
96097	Yreka
96134	Tulelake

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Siskiyou County codes above are listed without a column we would have to invent.

Cities and towns in Siskiyou County

A further 13 places in Siskiyou County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Siskiyou County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where Siskiyou County's ZIP codes sit

Each point is the reference point of one Siskiyou County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Scope every ZIP code recorded in Siskiyou County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.