Altadena, CA

ZIP code 91001 covers the town of Altadena, California, situated at the base of the San Gabriel Mountains. This picturesque area is known for its historic landmarks, including the Cobb Estate, Loma Alta Park, and the beautiful hiking trails of the Angeles National Forest. Altadena's charming residential neighborhoods and proximity to nature make it a desirable place to live for those seeking a mix of suburban tranquility and outdoor adventures.