Clatsop County ZIP Codes

Clatsop County is a county of Oregon.

ZIP codes: 7
Cities & towns: 7
Area codes: 2
Land area: 828 sq mi

Every ZIP code in Clatsop County

971xx

The complete list of Clatsop County, OR ZIP codes with the city each one delivers to.
ZIP code	City
97102	Arch Cape
97103	Astoria
97110	Cannon Beach
97121	Hammond
97138	Seaside
97145	Tolovana Park
97146	Warrenton

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Clatsop County codes above are listed without a column we would have to invent.

Cities and towns in Clatsop County

A further 3 places in Clatsop 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 Clatsop County

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

Where Clatsop County's ZIP codes sit

Each point is the reference point of one Clatsop 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 Clatsop 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.