ZIP code 01355 is officially located in the state of Massachusetts, primarily serving the city of New salem. It falls under the administrative jurisdiction of Franklin County. When planning mail delivery, logistics routing, or demographic research, 01355 operates within the Eastern Time (ET) timezone and supports the 473 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 01355 ZIP Code Tabulation Area is approximately 12,373. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $75,355.