ZIP code 01001 is officially located in the state of Massachusetts, primarily serving the city of Agawam. It falls under the administrative jurisdiction of Hampden County. When planning mail delivery, logistics routing, or demographic research, 01001 operates within the Eastern Time (ET) timezone and supports the 456 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 01001 ZIP Code Tabulation Area is approximately 24,956. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,001.