Below is a list of Ingleside IL zip codes. For your research we have also included Ingleside Area Code, Time Zone, UTC and the local Lake County FIPS Code. Each Ingleside Illinois zip code has a center Longitude / Latitude point (the Ingleside center is -88.139801025391 / 42.381099700928). For your convenience we have also indicated if that zip code in Ingleside observes Daylight Savings time.