Below is a list of Roche Harbor WA zip codes. For your research we have also included Roche Harbor Area Code, Time Zone, UTC and the local San Juan County FIPS Code. Each Roche Harbor Washington zip code has a center Longitude / Latitude point (the Roche Harbor center is -123.1490020752 / 48.609798431396). For your convenience we have also indicated if that zip code in Roche Harbor observes Daylight Savings time.