HomeSingaporeUpper Boon Keng RoadUpper Boon Keng RoadSingaporeUpper Boon Keng Road, Singapore: 34 postal codes.Postal codes of Upper Boon Keng Road380002380003380005380008380011380012380013380014380015380016380017380018380019380038380039381002381003381005381008381013381014382002382003382008383002383003383008384002384003387310387311387312387313387315