Below is a list of Gilmanton WI zip codes. For your research we have also included Gilmanton Area Code, Time Zone, UTC and the local Buffalo County FIPS Code. Each Gilmanton Wisconsin zip code has a center Longitude / Latitude point (the Gilmanton center is -91.676696777344 / 44.470699310303). For your convenience we have also indicated if that zip code in Gilmanton observes Daylight Savings time.