94490

94490 is a United States Postal Service ZIP Code assigned primarily to the city of Livermore in Alameda County, California. The ZIP Code covers part of Livermore Creek, the surrounding residential neighborhoods, and portions of the Livermore Valley. It was introduced as part of the original ZIP Code system in 1963, which established a standardized system for sorting and delivering mail throughout the United States.

Although 94490 is not accompanied by a separate post office, it uses the Livermore postal facility located on Larkin Street. Addresses bearing this ZIP Code are recognized by postal authorities as belonging to the Livermore area, where the population is diverse and reflects the broader demographics of the San Francisco Bay Area. The region is known for its wine production, historic downtown, and the presence of the Lawrence Livermore National Laboratory.

In demographic and economic reports, the 94490 ZIP Code is often cited alongside neighboring codes such as 94550, 94560, and 94484, especially when analyzing neighborhood surveys, real estate trends, or transportation planning. While the code itself is purely an administrative tool for mail delivery, it also serves as a convenient geographic identifier for businesses, educational institutions, and governmental agencies when collecting data or outlining service areas within Alameda County.