Ilwaco, WA is a city located in Pacific County, Washington and has a land area of 34.89 square miles (90.36 km2). The water area for the city is 14.19 square miles or 36.75 km2. There is one unique zip code in Ilwaco, Washington and it is 98624. The area code(s) for Ilwaco is 360/564.
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