ZIP code 72331 is officially located in the state of Arkansas, primarily serving the city of Earle. It falls under the administrative jurisdiction of Crittenden County. When planning mail delivery, logistics routing, or demographic research, 72331 operates within the Central Time (CT) timezone and supports the 639 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 72331 ZIP Code Tabulation Area is approximately 9,039. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,331.