Below is a list of Walkerton IN zip codes. For your research we have also included Walkerton Area Code, Time Zone, UTC and the local St Joseph County FIPS Code. Each Walkerton Indiana zip code has a center Longitude / Latitude point (the Walkerton center is -86.480400085449 / 41.464900970459). For your convenience we have also indicated if that zip code in Walkerton observes Daylight Savings time.