Altadena, CA

ZIP code 91001 covers the area of Altadena, California. This charming neighborhood is home to the famous Altadena Library, Farnsworth Park, and the historic Cobb Estate. Nestled in the San Gabriel Mountains, residents enjoy scenic views and outdoor activities such as hiking and picnicking. The zip code also includes the renowned Christmas Tree Lane, a mile-long stretch of deodar cedar trees adorned with festive lights during the holiday season.