ZIP code 73621 is officially located in the state of Oklahoma, primarily serving the city of Arapaho. It falls under the administrative jurisdiction of Custer County. When planning mail delivery, logistics routing, or demographic research, 73621 operates within the Central Time (CT) timezone and supports the 464 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 73621 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,621.