Below is a list of Alamo IN zip codes. For your research we have also included Alamo Area Code, Time Zone, UTC and the local Montgomery County FIPS Code. Each Alamo Indiana zip code has a center Longitude / Latitude point (the Alamo center is -87.05770111084 / 39.983898162842). For your convenience we have also indicated if that zip code in Alamo observes Daylight Savings time.