Below is a list of Jamestown CO zip codes. For your research we have also included Jamestown Area Code, Time Zone, UTC and the local Boulder County FIPS Code. Each Jamestown Colorado zip code has a center Longitude / Latitude point (the Jamestown center is -105.3929977417 / 40.118598937988). For your convenience we have also indicated if that zip code in Jamestown observes Daylight Savings time.