The first official numbering of houses in Vienna was ordered by Maria Theresa in 1770. Following this order, the house numbers were given successively as the houses were built. No street names but numbers from 1 to nonterminating.
Köllnerhofgasse 3 in Vienna
If you visit the modern address Köllnerhofgasse 3 in Vienna, you will find one of these old numbers: No. 1379. It is a rare reminder of those times before the address system changed into orientation numbers, combining street names and numbers.
Sources / More info
- Link Description of the address Wien N° 1379 [DEU]