Below is a list of Wall Lake IA zip codes. For your research we have also included Wall Lake Area Code, Time Zone, UTC and the local Sac County FIPS Code. Each Wall Lake Iowa zip code has a center Longitude / Latitude point (the Wall Lake center is -95.090698242188 / 42.266700744629). For your convenience we have also indicated if that zip code in Wall Lake observes Daylight Savings time.