List of postal codes in Austria

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.
The first digit identifies a geographic delivery area in Austria. The second identifies a routing area. The third defines the route the mail takes by either car/truck or train. The fourth stands for the post office outlet in the routing city.
Postal codes by state.
Lower Austria.
20xx-24xx