Codes used in several countries
WT on a licence plate
WT is an area code in 4 countries. The plate's style and country code tell them apart.
Austria
WT 123ABCode details →Waidhofen an der Thaya (Lower Austria)
Germany
WT-AB 1234Code details →Waldshut (Baden-Württemberg)
named after Waldshut-Tiengen
Poland
WT 12345Code details →Warszawa (Masovian)
United Kingdom
WT51 ABCCode details →Bristol (West of England)