Below is a list of Hartville WY zip codes. For your research we have also included Hartville Area Code, Time Zone, UTC and the local Platte County FIPS Code. Each Hartville Wyoming zip code has a center Longitude / Latitude point (the Hartville center is -104.72899627686 / 42.326301574707). For your convenience we have also indicated if that zip code in Hartville observes Daylight Savings time.