| 2025. 02. 25 |
Renamed as the Korea Post Digital Service |
| 2013. 03. 04 |
Relocated the office building to Bitgaram Innovation City, Naju |
| 2008. 02. 29 |
Renamed as the Korea Post Information Center |
| 2004. 12. 31 |
Renamed as the Knowledge Information Center of the MIC |
| 2003. 07. |
Developed the first-stage integrated postal logistics information system and combined saving & insurance Internet system |
| 2000. 12. |
Launched the Internet Post Office |
| 1994. 12. 23 |
Renamed as the Computer and Information Center under the control of the MIC |
| 1990. 06. |
Developed a nationwide online postal financial service network |
| 1988. 10. 23 |
Relocated the office building to Jayang-dong, Gwangjin-gu, Seoul. |
| 1984. 02. |
Implemented online ordinary and savings deposit services at the post offices |
| 1980. 01. |
Began to develop the electronic system for postal transfer services |
| 1977. 07. 16 |
Reorganized as the Refund Management Office of the Ministry of Post and Communication |
| 1961. 10. 02 |
Reorganized as the Seoul Savings and Insurance Management Bureau |
| 1927. 10. 01 |
Opened the Postal Savings Management Office of the Colonial Japanese Government of Joseon |