ZIP code 94903 is officially located in the state of California, primarily serving the city of Civic center. It falls under the administrative jurisdiction of Marin County. When planning mail delivery, logistics routing, or demographic research, 94903 operates within the Pacific Time (PT) timezone and supports the 318 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 94903 ZIP Code Tabulation Area is approximately 33,918. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,903.