Pasadena, CA

ZIP code 91104 encompasses the neighborhoods of Pasadena and Altadena in California. This area is known for its historic architecture, tree-lined streets, and eclectic mix of shops and restaurants. Key landmarks include the Gamble House, a renowned Arts and Crafts masterpiece, and the Altadena Library, a beautiful Carnegie library serving the community since 1914. Residents and visitors also enjoy the peaceful hiking trails of Eaton Canyon.