ZIP code 99006 is officially located in the state of Washington, primarily serving the city of Deer park. It falls under the administrative jurisdiction of Spokane County. When planning mail delivery, logistics routing, or demographic research, 99006 operates within the Pacific Time (PT) timezone and supports the 550 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 99006 ZIP Code Tabulation Area is approximately 25,050. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $42,006.