ZIP code 27578 is officially located in the state of North carolina, primarily serving the city of Smithfield. It falls under the administrative jurisdiction of Johnston County. When planning mail delivery, logistics routing, or demographic research, 27578 operates within the Eastern Time (ET) timezone and supports the 898 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 27578 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 $66,578.