Below is a list of Buffalo Gap SD zip codes. For your research we have also included Buffalo Gap Area Code, Time Zone, UTC and the local Custer County FIPS Code. Each Buffalo Gap South Dakota zip code has a center Longitude / Latitude point (the Buffalo Gap center is -103.31500244141 / 43.491798400879). For your convenience we have also indicated if that zip code in Buffalo Gap observes Daylight Savings time.