Below is a list of Allendale IL zip codes. For your research we have also included Allendale Area Code, Time Zone, UTC and the local Wabash County FIPS Code. Each Allendale Illinois zip code has a center Longitude / Latitude point (the Allendale center is -87.711799621582 / 38.5285987854). For your convenience we have also indicated if that zip code in Allendale observes Daylight Savings time.