Below is a list of Stanhope IA zip codes. For your research we have also included Stanhope Area Code, Time Zone, UTC and the local Hamilton County FIPS Code. Each Stanhope Iowa zip code has a center Longitude / Latitude point (the Stanhope center is -93.795997619629 / 42.289001464844). For your convenience we have also indicated if that zip code in Stanhope observes Daylight Savings time.