Below is a list of Bayfield County WI zip codes. For your research we have also included Bayfield County Area Code, Time Zone, UTC and the local County FIPS Code. Each Bayfield County Wisconsin zip code has a center Longitude / Latitude point (the Bayfield County center is -91.147598266602 / 46.570098876953). For your convenience we have also indicated if that zip code in Bayfield County observes Daylight Savings time.