Below is a list of Shell Lake WI zip codes. For your research we have also included Shell Lake Area Code, Time Zone, UTC and the local Washburn County FIPS Code. Each Shell Lake Wisconsin zip code has a center Longitude / Latitude point (the Shell Lake center is -91.915298461914 / 45.729698181152). For your convenience we have also indicated if that zip code in Shell Lake observes Daylight Savings time.