Below is a list of Oconto WI zip codes. For your research we have also included Oconto Area Code, Time Zone, UTC and the local Oconto County FIPS Code. Each Oconto Wisconsin zip code has a center Longitude / Latitude point (the Oconto center is -87.870903015137 / 44.888500213623). For your convenience we have also indicated if that zip code in Oconto observes Daylight Savings time.