ZIP code 06401 is officially located in the state of Connecticut, primarily serving the city of Ansonia. It falls under the administrative jurisdiction of New Haven County. When planning mail delivery, logistics routing, or demographic research, 06401 operates within the Eastern Time (ET) timezone and supports the 275 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 06401 ZIP Code Tabulation Area is approximately 14,275. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,401.