Live Chat I-680 CA Community Nearby Traffic United States Postal Service (Amenity postoffice) 2024-05-29 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to United States Postal Service (Amenity Postoffice) Los Altos, CA 0.00 Mountain View, CA 0.00 Sunnyvale, CA 0.00 Interstate highway exits close to United States Postal Service (Amenity Postoffice) Exit 1a, i680ca 21.18 Exit 1b, i680ca 21.18 Exit 1c, i680ca 21.20 Interstate highways close to United States Postal Service (Amenity Postoffice) i680ca map 21.18 i280ca map 21.34 i880ca map 25.14 State roads close to United States Postal Service (Amenity Postoffice) US 101 CA SOUTHBOUND SOUTH OF HOPLAND map 0.83 US 101 CA NORTHBOUND SOUTH OF HOPLAND map 0.88 CA CR G8 map 5.06