Below is a list of Richton Park IL zip codes. For your research we have also included Richton Park Area Code, Time Zone, UTC and the local Cook County FIPS Code. Each Richton Park Illinois zip code has a center Longitude / Latitude point (the Richton Park center is -87.746398925781 / 41.484401702881). For your convenience we have also indicated if that zip code in Richton Park observes Daylight Savings time.