Below is a list of London Mills IL zip codes. For your research we have also included London Mills Area Code, Time Zone, UTC and the local Fulton County FIPS Code. Each London Mills Illinois zip code has a center Longitude / Latitude point (the London Mills center is -90.271697998047 / 40.706001281738). For your convenience we have also indicated if that zip code in London Mills observes Daylight Savings time.