ZIP code 70346 is officially located in the state of Louisiana, primarily serving the city of Donaldsonville. It falls under the administrative jurisdiction of Ascension Parish County. When planning mail delivery, logistics routing, or demographic research, 70346 operates within the Central Time (CT) timezone and supports the 379 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 70346 ZIP Code Tabulation Area is approximately 33,279. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $122,346.