Below is a list of North Lake WI zip codes. For your research we have also included North Lake Area Code, Time Zone, UTC and the local Waukesha County FIPS Code. Each North Lake Wisconsin zip code has a center Longitude / Latitude point (the North Lake center is -88.370796203613 / 43.158100128174). For your convenience we have also indicated if that zip code in North Lake observes Daylight Savings time.