Below is a list of Estelline SD zip codes. For your research we have also included Estelline Area Code, Time Zone, UTC and the local Hamlin County FIPS Code. Each Estelline South Dakota zip code has a center Longitude / Latitude point (the Estelline center is -96.900901794434 / 44.572799682617). For your convenience we have also indicated if that zip code in Estelline observes Daylight Savings time.