Below is a list of Grambling LA zip codes. For your research we have also included Grambling Area Code, Time Zone, UTC and the local Lincoln County FIPS Code. Each Grambling Louisiana zip code has a center Longitude / Latitude point (the Grambling center is -92.713500976562 / 32.525901794434). For your convenience we have also indicated if that zip code in Grambling observes Daylight Savings time.