Codes used in several countries
PX on a licence plate
PX is an area code in 4 countries. The plate's style and country code tell them apart.
Greece
PX-1234Code details →Dodecanese
Norway
PX 12345Code details →Agder
named after Mandal
Ukraine
PX 1234 BCCode details →Khmelnytskyi Oblast
United Kingdom
PX51 ABCCode details →Carlisle (Preston)