ZIP code 73437 is officially located in the state of Oklahoma, primarily serving the city of Graham. It falls under the administrative jurisdiction of Carter County. When planning mail delivery, logistics routing, or demographic research, 73437 operates within the Central Time (CT) timezone and supports the 273 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 73437 ZIP Code Tabulation Area is approximately 5,873. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $69,437.