Below is a list of Donaldsonville LA zip codes. For your research we have also included Donaldsonville Area Code, Time Zone, UTC and the local Ascension County FIPS Code. Each Donaldsonville Louisiana zip code has a center Longitude / Latitude point (the Donaldsonville center is -90.994102478027 / 30.101100921631). For your convenience we have also indicated if that zip code in Donaldsonville observes Daylight Savings time.