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U.S. ZIP Codes Database 2026

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Pend Oreille County ZIP Codes

Browse all ZIP Codes, cities, and associated area codes registered in Pend Oreille County.

County State ZIP Code City Area Codes
Pend Oreille County WA 99119 Cusick 208, 236, 250, 509, 672, 778, 986
Pend Oreille County WA 99139 Ione 208, 236, 250, 509, 672, 778, 986
Pend Oreille County WA 99152 Metaline 509
Pend Oreille County WA 99153 Metaline Falls 208, 236, 250, 509, 672, 778, 986
Pend Oreille County WA 99156 Newport 208, 236, 250, 509, 672, 778, 986
Pend Oreille County WA 99180 Usk 208, 236, 250, 509, 672, 778, 986

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About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.