Below is a list of Westville IL zip codes. For your research we have also included Westville Area Code, Time Zone, UTC and the local Vermilion County FIPS Code. Each Westville Illinois zip code has a center Longitude / Latitude point (the Westville center is -87.638603210449 / 40.042598724365). For your convenience we have also indicated if that zip code in Westville observes Daylight Savings time.