ZIP code 67644 is officially located in the state of Kansas, primarily serving the city of Kirwin. It falls under the administrative jurisdiction of Phillips County. When planning mail delivery, logistics routing, or demographic research, 67644 operates within the Central Time (CT) timezone and supports the 813 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 67644 ZIP Code Tabulation Area is approximately 4,313. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $88,644.