Calistoga, CA

ZIP code 94515 is located in Calistoga, California, in the heart of Napa Valley wine country. The area is known for its hot springs and luxurious resorts, such as the famous Calistoga Ranch. Other notable landmarks include the Old Faithful Geyser of California, which erupts regularly, and the petrified forest showcasing fossilized trees. Visitors can also enjoy wine tasting at various vineyards and explore the charming downtown area filled with boutique shops and restaurants.