Below is a list of Ilwaco WA zip codes. For your research we have also included Ilwaco Area Code, Time Zone, UTC and the local Pacific County FIPS Code. Each Ilwaco Washington zip code has a center Longitude / Latitude point (the Ilwaco center is -124.04299926758 / 46.312599182129). For your convenience we have also indicated if that zip code in Ilwaco observes Daylight Savings time.