ZIP code 92231 is officially located in the state of California, primarily serving the city of Calexico. It falls under the administrative jurisdiction of Imperial County. When planning mail delivery, logistics routing, or demographic research, 92231 operates within the Pacific Time (PT) timezone and supports the 735 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 92231 ZIP Code Tabulation Area is approximately 6,335. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,231.