ZIP code 75003 is officially located in the state of Texas, primarily serving the city of Allen. It falls under the administrative jurisdiction of Collin County. When planning mail delivery, logistics routing, or demographic research, 75003 operates within the Central Time (CT) timezone and supports the 366 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 75003 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 $91,003.