Codes used in several countries
20 on a licence plate
20 is an area code in 3 countries. The plate's style and country code tell them apart.
France
1234 AB 20Code details →Corse-du-Sud (Corsica), Haute-Corse (Corsica)
No longer issued
Russia
А 123 ВС 20Code details →Chechnya (North Caucasian Federal District)
No longer issued
Türkiye
2034 ABC 123Code details →Denizli
France
Russia
Türkiye