Codes used in several countries
DT on a licence plate
DT is an area code in 4 countries. The plate's style and country code tell them apart.
Germany
DT-AB 1234Code details →Lippe (North Rhine-Westphalia)
named after Detmold
Norway
DT 12345Code details →Oslo
Slovakia
DT 123ABCode details →Detva (Banská Bystrica Region)
United Kingdom
DT51 ABCCode details →Shrewsbury (Deeside to Shrewsbury)