Postal codes in Switzerland and Liechtenstein

On 26 June 1964, Swiss Post introduced postal codes as the third country after Germany (1941) and the United States (1963).

[2] Also in Italy, Swiss Post previously held an office in Domodossola with the code CH-3907.

[citation needed] Switzerland is divided into nine postal districts, numbered from west to east.

The postal codes are made up as follows: Today, the third digit has no real meaning anymore.

In the past, mail was assigned to fixed railway or truck routes, but modern logistics do not need this practice any more.

One-digit postcode areas Switzerland, defining the first digit of each four-digit postcode.
Two-digit postcode areas Switzerland, defining the first two digits of each four-digit postcode.