Below is a list of Nilwood IL zip codes. For your research we have also included Nilwood Area Code, Time Zone, UTC and the local Macoupin County FIPS Code. Each Nilwood Illinois zip code has a center Longitude / Latitude point (the Nilwood center is -89.811096191406 / 39.399600982666). For your convenience we have also indicated if that zip code in Nilwood observes Daylight Savings time.