What do the letters before the social security card number stand for? What does the letter before the social security card number mean?

1. The social security card number is the citizen ID number, and the previous number represents the province. Hu Xiaoyi, Vice Minister of Ministry of Human Resources and Social Security, introduced at the press conference of the State Council Office on August 30th that the social security card adopts the national unified standard, and the social security number adopts the citizenship number according to the relevant provisions of the Social Insurance Law.

2. Paragraph 3 of Article 58 of the Social Insurance Law stipulates: "The State establishes a national unified personal social security number. The personal social security number is the citizenship number. " Social security number is the only sign that citizens participate in social insurance, enjoy social insurance benefits and realize the connection of social insurance rights and interests, and it is also an important sign that citizens enjoy social security rights and interests.

3. The social security card number is the serial number of the social security card compiled according to the national social security card number compilation rules, so that each social security card can obtain a unique code within the administrative area of Qingdao. Qingdao social security card number consists of capital Latin letter U+ cooperative bank code+six-digit serial code and one (or capital Latin letter) check code. Qingdao social security card was issued free of charge for the first time.