ZIP code 90003 is officially located in the state of California, primarily serving the city of Los angeles. It falls under the administrative jurisdiction of Los Angeles County. When planning mail delivery, logistics routing, or demographic research, 90003 operates within the Pacific Time (PT) timezone and supports the 879 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 90003 ZIP Code Tabulation Area is approximately 26,779. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,003.