The postcode of Tianjiaan District, Huainan City, Anhui Province is 232000, which can meet the basic mail delivery.

Postal code is a special code composed of Arabic numerals, which represents the post office that delivers mail. It is a special code for postal communication to realize mail sorting, and it is also a necessary tool to realize postal modernization. The ultimate goal is to improve the speed and accuracy of your letter delivery. Therefore, when handing in letters and parcels, be sure to indicate the postal code.

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. With a few exceptions, most countries or regions use postal codes. Ireland, Panama, Jamaica and Hong Kong do not use postal codes, and New Zealand only uses them when sending a large number of mails.