Below is a list of Block Island RI zip codes. For your research we have also included Block Island Area Code, Time Zone, UTC and the local Washington County FIPS Code. Each Block Island Rhode Island zip code has a center Longitude / Latitude point (the Block Island center is -71.57740020752 / 41.173900604248). For your convenience we have also indicated if that zip code in Block Island observes Daylight Savings time.