Below is a list of Rowley IA zip codes. For your research we have also included Rowley Area Code, Time Zone, UTC and the local Buchanan County FIPS Code. Each Rowley Iowa zip code has a center Longitude / Latitude point (the Rowley center is -91.844100952148 / 42.370800018311). For your convenience we have also indicated if that zip code in Rowley observes Daylight Savings time.