Below is a list of South Pekin IL zip codes. For your research we have also included South Pekin Area Code, Time Zone, UTC and the local Tazewell County FIPS Code. Each South Pekin Illinois zip code has a center Longitude / Latitude point (the South Pekin center is -89.663803100586 / 40.494400024414). For your convenience we have also indicated if that zip code in South Pekin observes Daylight Savings time.