ZIP code 99645 is officially located in the state of Alaska, primarily serving the city of Butte. It falls under the administrative jurisdiction of Matanuska-Susitna Borough County. When planning mail delivery, logistics routing, or demographic research, 99645 operates within the Pacific Time (PT) timezone and supports the 734 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 99645 ZIP Code Tabulation Area is approximately 32,234. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $105,645.