Below is a list of Oquawka IL zip codes. For your research we have also included Oquawka Area Code, Time Zone, UTC and the local Henderson County FIPS Code. Each Oquawka Illinois zip code has a center Longitude / Latitude point (the Oquawka center is -90.948303222656 / 40.932300567627). For your convenience we have also indicated if that zip code in Oquawka observes Daylight Savings time.