Below is a list of Niangua MO zip codes. For your research we have also included Niangua Area Code, Time Zone, UTC and the local Webster County FIPS Code. Each Niangua Missouri zip code has a center Longitude / Latitude point (the Niangua center is -92.828300476074 / 37.388401031494). For your convenience we have also indicated if that zip code in Niangua observes Daylight Savings time.