Napa, CA

ZIP code 94581 covers the city of Crockett in California. This area is most known for the iconic C&H Sugar Company refinery, which has been a prominent feature in the town since 1906. Additionally, the Carquinez Bridge is a significant landmark in the area, connecting Crockett to Vallejo. The zip code encompasses primarily residential neighborhoods, with stunning views of the Carquinez Strait.