Below is a list of Galva IL zip codes. For your research we have also included Galva Area Code, Time Zone, UTC and the local Henry County FIPS Code. Each Galva Illinois zip code has a center Longitude / Latitude point (the Galva center is -90.04109954834 / 41.16609954834). For your convenience we have also indicated if that zip code in Galva observes Daylight Savings time.