Below is a list of Trego WI zip codes. For your research we have also included Trego Area Code, Time Zone, UTC and the local Washburn County FIPS Code. Each Trego Wisconsin zip code has a center Longitude / Latitude point (the Trego center is -91.827697753906 / 45.899600982666). For your convenience we have also indicated if that zip code in Trego observes Daylight Savings time.