Live Chat I-83 Community Nearby Traffic Catonsville Post Office (Amenity postoffice) 2024-06-14 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Catonsville Post Office (Amenity Postoffice) Baltimore, MD 3.20 Gwynn Oak, MD 5.51 Ellicott City, MD 5.85 Interstate highway exits close to Catonsville Post Office (Amenity Postoffice) Exit 15b a, i695md 0.88 Exit 14, i695md 1.09 Exit 13, i695md 1.48 Interstate highways close to Catonsville Post Office (Amenity Postoffice) i695md map 0.88 i70 map 3.12 i95 map 5.43 State roads close to Catonsville Post Office (Amenity Postoffice) US 40 MD map 0.82 MD 144 map 0.85 MD 166 map 1.25