Below is a list of Blairstown IA zip codes. For your research we have also included Blairstown Area Code, Time Zone, UTC and the local Benton County FIPS Code. Each Blairstown Iowa zip code has a center Longitude / Latitude point (the Blairstown center is -92.084396362305 / 41.906398773193). For your convenience we have also indicated if that zip code in Blairstown observes Daylight Savings time.