ZIP code 12857 is officially located in the state of New york, primarily serving the city of Olmstedville. It falls under the administrative jurisdiction of Essex County. When planning mail delivery, logistics routing, or demographic research, 12857 operates within the Eastern Time (ET) timezone and supports the 807 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 12857 ZIP Code Tabulation Area is approximately 29,507. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $109,857.