Below is a list of Farnhamville IA zip codes. For your research we have also included Farnhamville Area Code, Time Zone, UTC and the local Calhoun County FIPS Code. Each Farnhamville Iowa zip code has a center Longitude / Latitude point (the Farnhamville center is -94.403900146484 / 42.276000976562). For your convenience we have also indicated if that zip code in Farnhamville observes Daylight Savings time.