HomeSingaporeOld Upper Thomson RoadOld Upper Thomson RoadSingaporeOld Upper Thomson Road, Singapore: 38 postal codes.Postal codes of Old Upper Thomson Road573868573869573870573871574046574047574048574049574050574051574052574053574054574055574056574057574058574059574060576214576215576216576217576218576219576220576221576222576223576224576226576227576228576229576230576231576232576233