ZIP code 91906 is officially located in the state of California, primarily serving the city of Campo. It falls under the administrative jurisdiction of San Diego County. When planning mail delivery, logistics routing, or demographic research, 91906 operates within the Pacific Time (PT) timezone and supports the 800 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 91906 ZIP Code Tabulation Area is approximately 30,200. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $42,906.