Codes used in several countries
PK on a licence plate
PK is an area code in 7 countries. The plate's style and country code tell them apart.
Bulgaria
PK 1234 ABCode details →Pernik
Greece
PK-1234Code details →Dodecanese
Norway
PK 12345Code details →Agder
named after Arendal
Poland
PK 12345Code details →Kalisz (Greater Poland)
Serbia
PK 123-ABCode details →Blace (Toplica District), Žitorađa (Toplica District), Kuršumlija (Toplica District), Prokuplje (Toplica District)
named after Prokuplje
Slovakia
PK 123ABCode details →Pezinok (Bratislava Region)
United Kingdom
PK51 ABCCode details →Preston