Codes used in several countries
BJ on a licence plate
BJ is an area code in 4 countries. The plate's style and country code tell them apart.
Croatia
BJ 1234-ABCode details →Bjelovar-Bilogora County
named after Bjelovar
Norway
BJ 12345Code details →Akershus
named after Drøbak
Slovakia
BJ 123ABCode details →Bardejov (Prešov Region)
United Kingdom
BJ51 ABCCode details →Birmingham