Below is a list of Effingham County IL zip codes. For your research we have also included Effingham County Area Code, Time Zone, UTC and the local County FIPS Code. Each Effingham County Illinois zip code has a center Longitude / Latitude point (the Effingham County center is -88.584098815918 / 39.083999633789). For your convenience we have also indicated if that zip code in Effingham County observes Daylight Savings time.