Below is a list of Putnam IL zip codes. For your research we have also included Putnam Area Code, Time Zone, UTC and the local Putnam County FIPS Code. Each Putnam Illinois zip code has a center Longitude / Latitude point (the Putnam center is -89.396301269531 / 41.185001373291). For your convenience we have also indicated if that zip code in Putnam observes Daylight Savings time.