Below is a list of Milliken CO zip codes. For your research we have also included Milliken Area Code, Time Zone, UTC and the local Weld County FIPS Code. Each Milliken Colorado zip code has a center Longitude / Latitude point (the Milliken center is -104.8570022583 / 40.330200195312). For your convenience we have also indicated if that zip code in Milliken observes Daylight Savings time.