Below is a list of Serena IL zip codes. For your research we have also included Serena Area Code, Time Zone, UTC and the local La Salle County FIPS Code. Each Serena Illinois zip code has a center Longitude / Latitude point (the Serena center is -88.731796264648 / 41.48509979248). For your convenience we have also indicated if that zip code in Serena observes Daylight Savings time.