Below is a list of Harahan LA zip codes. For your research we have also included Harahan Area Code, Time Zone, UTC and the local Jefferson County FIPS Code. Each Harahan Louisiana zip code has a center Longitude / Latitude point (the Harahan center is -90.207496643066 / 29.956499099731). For your convenience we have also indicated if that zip code in Harahan observes Daylight Savings time.