Below is a list of Hanna IN zip codes. For your research we have also included Hanna Area Code, Time Zone, UTC and the local La Porte County FIPS Code. Each Hanna Indiana zip code has a center Longitude / Latitude point (the Hanna center is -86.780700683594 / 41.412399291992). For your convenience we have also indicated if that zip code in Hanna observes Daylight Savings time.