ZIP code 85003 is officially located in the state of Arizona, primarily serving the city of Phoenix. It falls under the administrative jurisdiction of Maricopa County. When planning mail delivery, logistics routing, or demographic research, 85003 operates within the Mountain Time (MT) timezone and supports the 633 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 85003 ZIP Code Tabulation Area is approximately 23,733. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,003.