Below is a list of Mc Connell IL zip codes. For your research we have also included Mc Connell Area Code, Time Zone, UTC and the local Stephenson County FIPS Code. Each Mc Connell Illinois zip code has a center Longitude / Latitude point (the Mc Connell center is -89.731796264648 / 42.437198638916). For your convenience we have also indicated if that zip code in Mc Connell observes Daylight Savings time.