ZIP code 28390 is officially located in the state of North carolina, primarily serving the city of Spring lake. It falls under the administrative jurisdiction of Cumberland County. When planning mail delivery, logistics routing, or demographic research, 28390 operates within the Eastern Time (ET) timezone and supports the 775 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 28390 ZIP Code Tabulation Area is approximately 17,575. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $70,390.