Below is a list of Sibley IA zip codes. For your research we have also included Sibley Area Code, Time Zone, UTC and the local Osceola County FIPS Code. Each Sibley Iowa zip code has a center Longitude / Latitude point (the Sibley center is -95.745498657227 / 43.404098510742). For your convenience we have also indicated if that zip code in Sibley observes Daylight Savings time.