Codes used in several countries
OB on a licence plate
OB is an area code in 6 countries. The plate's style and country code tell them apart.
Bulgaria
OB 1234 ABCode details →Lovech
Germany
OB-AB 1234Code details →Oberhausen (North Rhine-Westphalia)
Greece
OB-1234Code details →Athens
Poland
OB 12345Code details →powiat brzeski (Opole)
Ukraine
OB 1234 BCCode details →Chernihiv Oblast
United Kingdom
OB51 ABCCode details →Oxford
Bulgaria
Germany
Greece
Poland
Ukraine
United Kingdom