1 .5 digits, because this is the tradition of the motherland, including area code, address and street number. For example, the postal code of Beijing begins with 1, and then it is compiled according to the district and street number of Beijing.
2. First according to the city, district, the exclusive number of the street to make up.
China postcode coding rules
China adopts a four-level six-bit coding system. The first two represent provinces, municipalities and autonomous regions, the third represents postal areas, and the fourth represents counties and cities, representing delivery post offices. The last two digits represent the delivery area of this city, that is, the location of the delivery area.
For example, the postal code "13002 1"13 "represents Jilin Province," 00 "represents Changchun, the provincial capital, and" 21"represents the delivery area.
3. Postal code is a special code for postal communication to realize mail sorting, and it is a necessary tool to realize postal modernization. The ultimate goal is to improve the speed and accuracy of your letters in the delivery process, so be sure to write down the postal code when handing in letters and parcels. If you don't know the postal code of the other party (the recipient), you can inquire on the postal code inquiry machine or postal multimedia microcomputer inquiry system set up in the local post office, or through the special telephone of1185.
In order to realize the automation of mail sorting and the digitalization of postal network, and speed up the delivery of mail, more than 40 countries in the world have successively implemented 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.
China postcode coding rules;
China adopts a four-level six-digit coding system, with the first two representing provinces, municipalities and autonomous regions, the third representing postal areas, the fourth representing counties and cities, the last two representing the post office, and the last two representing the delivery area of the city, that is, the location of the delivery area.
For example, the postal code "13002 1"13 "represents Jilin Province," 00 "represents Changchun, the provincial capital, and" 21"represents the delivery area.
Coding rules for U.S. postal codes:
Postal code is a postal code, and the US Postal Service uses capital letters. Postal code is an acronym for regional improvement plan, but it is also cleverly thought to imply the fact that when the sender uses it, the mail spreads more efficiently (and therefore faster). The basic postal code consists of five digits. The extended ZIP+4 code includes five digits plus four digits of the postal code, allowing mail to be sent to a specific address. Zip code is a registered trademark of the United States Postal Service.
Postal codes are numbered like this. The first number represents a small group of states in the United States, the second and third numbers together represent a region (or possibly a big city) in the group, and the fourth and fifth numbers represent more specific regions, such as small towns or regions in the city. Major towns in this area (if possible) usually get the first postal code in this area; After that, numerical commands often follow alphabetical order. Like area codes, postal codes are divided and sometimes change, especially when rural areas become suburbs.
Coding rules of French postal codes:
The postal code of France starts with 1972 and has * * 6 digits. The first two digits represent provinces, and the last three digits represent cities, regions or post offices respectively.
Coding rules of Japanese postal codes:
The new postal coding system developed by Japan Post was put into use on February 2nd, 1998. The purpose of developing the system is to meet the needs of the expanding postal mechanization operation, improve the operation efficiency and ensure to provide users with stable, cheap and high-quality services. Its main features are as follows:
Postal code digits: 7 digits, with "—"between the first three digits and the last four digits; Text structure: At present, all numbers are used; The connection between the old and new postal code systems: three or five digits in the old code are taken as the first digit of the new code; The particularity of the new code: every small part of the address (such as cho and oaza) is designated as a number, which is connected after the existing postal code. Large enterprises and other business centers can have special codes. Sorry, it's a little long. You can choose some.
4.No. 134 1 East Section of Guanghua Avenue, Qingyang District, Chengdu.
Postal code: 6 1009 1
Office: (028)87460 138
Academic Affairs Office: (028)87466 178
Moral Education Office: (028)87460538
5. Jinshan School
Address: Yin Shan Road, Beigan Street, Xiaoshan District, Hangzhou 1268.
Postal code: 3 1 1202
Id card:
1. One of the last four digits of the ID card indicates gender, but not the last one! /kloc-The penultimate digit of the 0/8 digit ID number is odd, male, even and female! The last one is the computer identification code! I graduated from public security colleges and studied household administration! For the new ID number with 18 digits, there is a special calculation method: each digit of the ID number corresponds to a number, every two digits are multiplied, and then all of them are added and divided by 1 1, and the last remainder is the last digit! If the remainder is 10, the last digit is x! Excuse me, upstairs, if the last digit of the ID number is X, what gender does it represent? Really dizzy ... tell me again: 1 6 is the administrative division code, 7 to 14 is the birth date code, 15 to 17 is the distribution sequence code, and the last one is the computer identification code!
2. You need an ID card to open a bank card account, open a hotel, and transit at the entry and exit airport before you can buy a plane ticket. You should take good care of your ID card, otherwise it will be used to do some bad things.
3. The original code was 13 bits, but now it is changed to 18 bits. First by city number, then by date of birth, then by gender and the component code of the province.
4. Coding is an authenticated or differentiated code number, which is widely used, such as books, memories, videos, materials, etc.
Coding examples: book coding, memory coding, video coding, material coding, restaurant menu and company employee coding ... Among them, book coding data: ISBN number of books will be upgraded from the current 10 digit system to 13 digit system, and the implementation date of the new 13 digit international standard book number is1.
10 ISBN system consists of four parts: group number, publisher number, book number and inspection number, which are connected by "-",and each group of numbers has different meanings.
The first group number is the area code, also known as the group number. The shortest number is only one digit, and the longest number is five digits, generally taking into account the language, country and region. 0, 1 stands for English, and the countries that use these two codes are: Australia, Canada, Ireland, New Zealand, Puerto Rico, South Africa, Britain, the United States, Zimbabwe and so on. Stands for French, which is used in French-speaking areas of France, Luxembourg, Belgium, Canada and Switzerland; 3 stands for German and is used in Germany, Austria and German-speaking Switzerland; 4 is the code of Japanese publications; 5 is the code for Russian publications; 7 is the code used in China publications.
The second group: publishing house code. It is set up by the ISBN center of a country or region and distributed to various publishers.
The third group: book serial code. The publication code is the number assigned to each publication by the publisher.
The fourth group: computer check code. The check code is the last digit of the ISBN number, so you can check whether the ISBN number is correct. The check code can only be 1 digit, and when it is 10, it is recorded as Roman numeral X.
Good luck to the landlord, I can only help so much, thank you!