There are 6 zip codes in Pend Oreille County, Washington. The most populated is 99156, located in Newport. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
991569,132Newport
991191,514Cusick
99139800Ione
99180741Usk
99153432Metaline Falls
99152144Metaline

Zip Codes in Pend Oreille County, Washington by Population (2024)