ZIP code 27857 is officially located in the state of North carolina, primarily serving the city of Oak city. It falls under the administrative jurisdiction of Martin County. When planning mail delivery, logistics routing, or demographic research, 27857 operates within the Eastern Time (ET) timezone and supports the 507 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 27857 ZIP Code Tabulation Area is approximately 11,007. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $109,857.