Below is a list of Towanda IL zip codes. For your research we have also included Towanda Area Code, Time Zone, UTC and the local Mclean County FIPS Code. Each Towanda Illinois zip code has a center Longitude / Latitude point (the Towanda center is -88.902801513672 / 40.56420135498). For your convenience we have also indicated if that zip code in Towanda observes Daylight Savings time.