ZIP code 98856 is officially located in the state of Washington, primarily serving the city of Twisp. It falls under the administrative jurisdiction of Okanogan County. When planning mail delivery, logistics routing, or demographic research, 98856 operates within the Pacific Time (PT) timezone and supports the 417 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 98856 ZIP Code Tabulation Area is approximately 14,417. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $92,856.