South Africa's mail service is provided by the South African Postal Service. The country is segregated into various area and suburbs,each with their postal code. Use our handy search engine to find South African Postal Codes, or to find out what postal code is assigned to which area or suburb. South African post codes consist of four digits. Mail may be delivered either to the physical address or to a PO Box, particularly in rural areas where no street delivery is available. In addition, many large organisations may use Private Bag address, with mail dispatched to the holder by a mail contractor.