ZIP code 90721 is officially located in the state of California, primarily serving the city of Rossmoor. It falls under the administrative jurisdiction of Orange County. When planning mail delivery, logistics routing, or demographic research, 90721 operates within the Pacific Time (PT) timezone and supports the 748 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 90721 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 $97,721.