ZIP code 96121 is officially located in the state of California, primarily serving the city of Milford. It falls under the administrative jurisdiction of Lassen County. When planning mail delivery, logistics routing, or demographic research, 96121 operates within the Pacific Time (PT) timezone and supports the 527 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 96121 ZIP Code Tabulation Area is approximately 43,927. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,121.