Below is a list of Lake in the Hills IL zip codes. For your research we have also included Lake in the Hills Area Code, Time Zone, UTC and the local Mchenry County FIPS Code. Each Lake in the Hills Illinois zip code has a center Longitude / Latitude point (the Lake in the Hills center is -88.318702697754 / 42.170799255371). For your convenience we have also indicated if that zip code in Lake in the Hills observes Daylight Savings time.