Below is a list of Lenzburg IL zip codes. For your research we have also included Lenzburg Area Code, Time Zone, UTC and the local Saint Clair County FIPS Code. Each Lenzburg Illinois zip code has a center Longitude / Latitude point (the Lenzburg center is -89.812103271484 / 38.293098449707). For your convenience we have also indicated if that zip code in Lenzburg observes Daylight Savings time.