Live Chat I-95 Community Nearby Traffic New Castle Post Office (Amenity postoffice) 2024-05-31 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to New Castle Post Office (Amenity Postoffice) Kittery Point, ME 2.91 Kittery, ME 3.83 Portsmouth, NH 4.34 Interstate highway exits close to New Castle Post Office (Amenity Postoffice) Exit 1, i95 4.25 Exit 7, i95 4.45 Exit 2, i95 4.48 Interstate highways close to New Castle Post Office (Amenity Postoffice) i95 map 4.25 i495ma map 27.48 i93 map 53.22 State roads close to New Castle Post Office (Amenity Postoffice) US 1 NH map 2.65 US 1 ME map 2.75 US 4 NH map 4.70