Kennewick, WA

ZIP Codes in Kennewick, Washington

December 30, 2025

ZIP Code	Population	Coordinates
99336	51,329	46.2141, -119.1757
99337	32,581	46.0520, -119.0985
99338	18,312	46.1736, -119.2740

Kennewick has 3 ZIP codes

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