Below is a list of Macoupin County IL zip codes. For your research we have also included Macoupin County Area Code, Time Zone, UTC and the local County FIPS Code. Each Macoupin County Illinois zip code has a center Longitude / Latitude point (the Macoupin County center is -89.911796569824 / 39.227298736572). For your convenience we have also indicated if that zip code in Macoupin County observes Daylight Savings time.