ZIP code 98901 is officially located in the state of Washington, primarily serving the city of Terrace heights. It falls under the administrative jurisdiction of Yakima County. When planning mail delivery, logistics routing, or demographic research, 98901 operates within the Pacific Time (PT) timezone and supports the 628 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 98901 ZIP Code Tabulation Area is approximately 35,628. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,901.