ZIP code 74331 is officially located in the state of Oklahoma, primarily serving the city of Bernice. It falls under the administrative jurisdiction of Delaware County. When planning mail delivery, logistics routing, or demographic research, 74331 operates within the Central Time (CT) timezone and supports the 763 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 74331 ZIP Code Tabulation Area is approximately 38,563. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,331.