Below is a list of Poplar WI zip codes. For your research we have also included Poplar Area Code, Time Zone, UTC and the local Douglas County FIPS Code. Each Poplar Wisconsin zip code has a center Longitude / Latitude point (the Poplar center is -91.783699035645 / 46.583099365234). For your convenience we have also indicated if that zip code in Poplar observes Daylight Savings time.