Below is a list of Merton WI zip codes. For your research we have also included Merton Area Code, Time Zone, UTC and the local Waukesha County FIPS Code. Each Merton Wisconsin zip code has a center Longitude / Latitude point (the Merton center is -88.307197570801 / 43.141300201416). For your convenience we have also indicated if that zip code in Merton observes Daylight Savings time.