ZIP code 96731 is officially located in the state of Hawaii, primarily serving the city of Kahuku. It falls under the administrative jurisdiction of Honolulu County. When planning mail delivery, logistics routing, or demographic research, 96731 operates within the Pacific Time (PT) timezone and supports the 659 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 96731 ZIP Code Tabulation Area is approximately 4,859. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,731.