Live Chat I-15 Community Nearby Traffic United States Postal Service (Amenity postoffice) 2024-05-01 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to United States Postal Service (Amenity Postoffice) San Marcos, CA 8.13 San Diego, CA 9.99 Poway, CA 15.16 Interstate highway exits close to United States Postal Service (Amenity Postoffice) Exit 29, i15 1.95 Exit 30, i15 2.23 Exit 31, i15 2.80 Interstate highways close to United States Postal Service (Amenity Postoffice) i15 map 1.95 i5 map 21.03 i805ca map 26.69 State roads close to United States Postal Service (Amenity Postoffice) CA 78 map 1.43 CA CR S6 map 1.81 CA CR S14 map 3.02