12333 providing telephone consultation service for human resources and social security In 2003, the former Ministry of Labor and Social Security applied for opening the national telephone consultation service number "12333", and subsequently issued the Notice on Developing Telephone Consultation Service for Labor and Social Security (Letter No.84 from the Ministry of Labor and Social Security [2003]) and the Guiding Opinions on the Construction of Telephone Consultation Service System for Labor and Social Security.
After the establishment of Ministry of Human Resources and Social Security, the Notice on Continuing to Use the National Public Service Numbers 12370 and 12333 (No.35 [2009] of the People's Social Information Letter) was issued, and it was made clear that 12333 was used to provide human resources and social security services to the society. 12370.