ZIP code 13439 is officially located in the state of New york, primarily serving the city of Richfield spring. It falls under the administrative jurisdiction of Otsego County. When planning mail delivery, logistics routing, or demographic research, 13439 operates within the Eastern Time (ET) timezone and supports the 322 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 13439 ZIP Code Tabulation Area is approximately 37,422. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $103,439.