ZIP code 81657 is officially located in the state of Colorado, primarily serving the city of Vail. It falls under the administrative jurisdiction of Eagle County. When planning mail delivery, logistics routing, or demographic research, 81657 operates within the Mountain Time (MT) timezone and supports the 843 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 81657 ZIP Code Tabulation Area is approximately 21,143. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $109,657.