ZIP code 28540 is officially located in the state of North carolina, primarily serving the city of Jacksonville. It falls under the administrative jurisdiction of Onslow County. When planning mail delivery, logistics routing, or demographic research, 28540 operates within the Eastern Time (ET) timezone and supports the 893 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 28540 ZIP Code Tabulation Area is approximately 35,893. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,540.