Below is a list of Woonsocket SD zip codes. For your research we have also included Woonsocket Area Code, Time Zone, UTC and the local Sanborn County FIPS Code. Each Woonsocket South Dakota zip code has a center Longitude / Latitude point (the Woonsocket center is -98.271003723145 / 44.053901672363). For your convenience we have also indicated if that zip code in Woonsocket observes Daylight Savings time.