Postal code is a coding method that a country or region divides the whole country in order to realize the automation of mail sorting and the digitalization of postal network and speed up the delivery of mail. Postal coding system has become one of the standards to measure a country's communication technology and postal service level.

At present, more than 140 countries in the world have successively implemented the postal coding system, which is regarded as one of the standards to measure the communication technology and postal service level of a country. Postal coding rules in different countries are not uniform.

Extended data:

School scale of Southern National Defense Industry Vocational and Technical College

1, professional setting

The school has full-time higher vocational education, full-time general education, secondary vocational education and other academic education, and higher vocational education has 36 enrollment majors. There are two secondary colleges: Optoelectronic Engineering College, Mechanical and Electronic Engineering College, Media and Information Engineering College, Chemical Engineering College, Economic Management College, Arts and Sciences College and Secondary Vocational and Technical College.

2. Teachers.

There are more than 380 teachers in the school, including 84 junior college and higher vocational students, 7 doctors/kloc-0 and 8 masters/kloc-0. There are 2 members of the Higher Vocational Teaching Steering Committee of the Ministry of Education, 1 provincial famous teacher.

References:

Baidu Encyclopedia-Zip Code

References:

Baidu Encyclopedia-Yunnan National Defense Industry Vocational and Technical College