ZIP code 99779 is officially located in the state of Alaska, primarily serving the city of Tetlin. It falls under the administrative jurisdiction of Southeast Fairbanks Census Area County. When planning mail delivery, logistics routing, or demographic research, 99779 operates within the Central Time (CT) timezone and supports the 870 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 99779 ZIP Code Tabulation Area is approximately 28,170. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $83,779.