Below is a list of Ashland County WI zip codes. For your research we have also included Ashland County Area Code, Time Zone, UTC and the local County FIPS Code. Each Ashland County Wisconsin zip code has a center Longitude / Latitude point (the Ashland County center is -90.675903320312 / 46.404399871826). For your convenience we have also indicated if that zip code in Ashland County observes Daylight Savings time.