1. Postcode structure
The national postcode consists of a set of 05 numeric characters, including:

2. The advantages of using postcode
2.1 For the customers using postal services
- The postal items were transferred and delivered quickly, exactly and safely.
- Reducing the unsuccessful delivered items.
- Reducing the cost of service.
- Improving the quality of service.
2.2 For the organizations and enterprises providing the postal services
- Facilitating to sort the items quickly, exactly, shortening the time of sorting and delivery.
- Identifying the delivering direction quickly, exactly even when the addresses are not clear, therefore, errors in operation will be limited.
- Improving the quality of service.
- Reducing the cost of service for the big amount of items.
- Internal management, accounting and statistics are facilitated through the connection between data and postcode.
- Having advantages for applying software supporting operation and management between post offices, servie points as well as business units. Thereby simplifying the operation process; building business plans and managing sales activities more effectively.
- Creating more revenue through activities to meet the demand of market research for organizations and individuals.