Below is a list of Harrisonburg LA zip codes. For your research we have also included Harrisonburg Area Code, Time Zone, UTC and the local Catahoula County FIPS Code. Each Harrisonburg Louisiana zip code has a center Longitude / Latitude point (the Harrisonburg center is -91.828300476074 / 31.767200469971). For your convenience we have also indicated if that zip code in Harrisonburg observes Daylight Savings time.