Below is a list of Delmont SD zip codes. For your research we have also included Delmont Area Code, Time Zone, UTC and the local Douglas County FIPS Code. Each Delmont South Dakota zip code has a center Longitude / Latitude point (the Delmont center is -98.159599304199 / 43.2666015625). For your convenience we have also indicated if that zip code in Delmont observes Daylight Savings time.