Martinez, CA

ZIP code 94553 encompasses the city of Martinez in Contra Costa County, California. This area is known for its historical significance, with landmarks such as the Martinez Adobe, constructed in 1849. The John Muir National Historic Site, honoring the famous naturalist and writer, is also located here. Additionally, the downtown area of Martinez offers a charming mix of shops, restaurants, and waterfront views along the Carquinez Strait.