Irwin Zip Codes - Westmoreland County PA

Irwin, PA Zip Code Map

Irwin, PA is a city located in Westmoreland County, Pennsylvania and has a land area of 46.04 square miles (119.24 km2). The water area for the city is 0.12 square miles or 0.31 km2. There is one unique zip code in Irwin, Pennsylvania and it is 15642. The area code(s) for Irwin is 724.

Zip Codes for Irwin, PA (1)

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15642 Irwin Westmoreland

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