San Francisco, CA

ZIP code 94159 belongs to San Francisco, California, specifically the iconic Alcatraz Island. This area is home to the notorious Alcatraz Federal Penitentiary, a former maximum-security prison now turned into a popular tourist attraction. Visitors can explore the historic prison and learn about its infamous inmates, including Al Capone and "Machine Gun" Kelly. Additionally, the zip code includes stunning views of the San Francisco Bay and Golden Gate Bridge.