Codes used in several countries
OP on a licence plate
OP is an area code in 5 countries. The plate's style and country code tell them apart.
Austria
OP 123ABCode details →Oberpullendorf (Burgenland)
Germany
OP-AB 1234Code details →Leverkusen (North Rhine-Westphalia)
named after Opladen
Greece
OP-1234Code details →Evros
Poland
OP 12345Code details →Opole
United Kingdom
OP51 ABCCode details →Oxford
Austria
Germany
Greece
Poland
United Kingdom