ZIP code 94021 is officially located in the state of California, primarily serving the city of Loma mar. It falls under the administrative jurisdiction of San Mateo County. When planning mail delivery, logistics routing, or demographic research, 94021 operates within the Pacific Time (PT) timezone and supports the 219 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 94021 ZIP Code Tabulation Area is approximately 6,519. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,021.