
Postal codes in Austria consist of four digits. They were introduced on 1 January 1966. Each code denotes a post office of the Österreichische Post company.

For more see Postal codes in Belgium

Postal codes in Bhutan are five digit numbers.
This list of postal codes in Brazil covers Brazil's Código de Endereçamento Postal (CEP), which is the Brazilian postal code. In 1993, the eight-digit form was introduced; prior to 1993, the Brazilian postal codes used the five-digit form. Correios is the state-owned company which provides postal services in Brazil.

Postal codes in the People's Republic of China are postal codes used by China Post for the delivery of letters and goods within mainland China.

Postal codes in Germany, Postleitzahl, since 1 July 1993 consist of five digits. The first two digits indicate the wider area, the last three digits the postal district.

Full listing:

Postal codes in Iceland are made up of three digits. The codes are followed by the name of the place where the post is being distributed, which is either a municipality, the nearest city, town or village. The total number of postal codes is 149; with 18 reserved for post-office boxes, two for public institutes and larger private companies and one used for international sorting purposes only.

In the Philippines, a ZIP code is used by the Philippine Postal Corporation (PhlPost) to simplify the distribution of mail. While its function similar with the ZIP codes used in the United States, its form and usage are quite different. Its use is not mandatory but highly recommended by the PhlPost. A ZIP code is composed of a four-digit number representing a locality. Usually, more than one code is issued for areas within Metro Manila, and a single code for each municipality and city in provincial areas, with some rare exceptions such as Dasmariñas in Cavite, which has three ZIP codes, Los Baños in Laguna, which has two ZIP codes, and Angeles, which has two ZIP codes.

The Postal codes in Poland consists of 5 numbers in the following format xy-zzz.

Postal codes in Taiwan is a system of three + three digits used by Chunghwa Post. There are 368 sets of three-digit codes for townships, county-administered cities, and districts in Taiwan.

This is a list of postcode districts in the United Kingdom and Crown dependencies. A group of postcode districts with the same alphabetical prefix is called a postcode area. All, or part, of one or more postcode districts are grouped into post towns.

Postal codes used in the United Kingdom, British Overseas Territories and Crown dependencies are known as postcodes. They are alphanumeric and were adopted nationally between 11 October 1959 and 1974, having been devised by the General Post Office. A full postcode is known as a "postcode unit" and designates an area with several addresses or a single major delivery point.