Below is a list of Iliff CO zip codes. For your research we have also included Iliff Area Code, Time Zone, UTC and the local Logan County FIPS Code. Each Iliff Colorado zip code has a center Longitude / Latitude point (the Iliff center is -103.06400299072 / 40.75719833374). For your convenience we have also indicated if that zip code in Iliff observes Daylight Savings time.