ZIP code 28121 is officially located in the state of North carolina, primarily serving the city of Mount holly. It falls under the administrative jurisdiction of Gaston County. When planning mail delivery, logistics routing, or demographic research, 28121 operates within the Eastern Time (ET) timezone and supports the 371 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 28121 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,121.