Below is a list of Altha FL zip codes. For your research we have also included Altha Area Code, Time Zone, UTC and the local Calhoun County FIPS Code. Each Altha Florida zip code has a center Longitude / Latitude point (the Altha center is -85.127197265625 / 30.571100234985). For your convenience we have also indicated if that zip code in Altha observes Daylight Savings time.