Below is a list of Hopkinton IA zip codes. For your research we have also included Hopkinton Area Code, Time Zone, UTC and the local Delaware County FIPS Code. Each Hopkinton Iowa zip code has a center Longitude / Latitude point (the Hopkinton center is -91.247001647949 / 42.345401763916). For your convenience we have also indicated if that zip code in Hopkinton observes Daylight Savings time.