Below is a list of Highlands Ranch CO zip codes. For your research we have also included Highlands Ranch Area Code, Time Zone, UTC and the local Douglas County FIPS Code. Each Highlands Ranch Colorado zip code has a center Longitude / Latitude point (the Highlands Ranch center is -105.00700378418 / 39.596199035645). For your convenience we have also indicated if that zip code in Highlands Ranch observes Daylight Savings time.