Embassy of South Africa in Hanoi Address : 3rd Floor, Central Building, 31 Hai Ba Trung Street, Hanoi City, Vietnam. Business Hours: Monday – Friday | 09h00 to 17h00 | 09h00 to 12h00 (Consular Services) Phone : + (84-24) 3936 2000 | After hours standby number: + (84) 904 002 972 Fax: + (84-24) 3936