Altadena, CA

ZIP code 91003 encompasses the area of Altadena, California. This diverse neighborhood is home to landmarks such as the Altadena Library, Farnsworth Park, and the Cobb Estate. Filled with historic homes and beautiful tree-lined streets, Altadena offers a peaceful suburban ambiance just north of Pasadena. Residents enjoy easy access to hiking trails in the nearby San Gabriel Mountains and the vibrant dining and shopping options in Old Town Pasadena.