Postal reference / United States

98612Cathlamet, Washington

ZIP code 98612 is a United States postal code for Cathlamet, Washington. Its county association is Wahkiakum County. The map reference point is at 46.1954, -123.3627.

State / territory: Washington
Recorded place name: Cathlamet
County association: Wahkiakum
Estimated coordinate: 46.1954, -123.3627
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ZIP prefix: 986 · 62 ZIP codes share it
Data source: GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area: 101.079 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP code	Place	State	County association	Miles
98647	Skamokawa	WA	Wahkiakum	7.7
97016	Clatskanie	OR	Columbia	11.6
98621	Grays River	WA	Wahkiakum	15.4
98643	Rosburg	WA	Wahkiakum	16.0
98632	Longview	WA	Cowlitz	19.3
98581	Ryderwood	WA	Cowlitz	19.7
97048	Rainier	OR	Columbia	21.0
97103	Astoria	OR	Clatsop	21.0

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