ZIP code 98563 is officially located in the state of Washington, primarily serving the city of Montesano. It falls under the administrative jurisdiction of Grays Harbor County. When planning mail delivery, logistics routing, or demographic research, 98563 operates within the Pacific Time (PT) timezone and supports the 755 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 98563 ZIP Code Tabulation Area is approximately 13,355. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $111,563.