Codes used in several countries
IB on a licence plate
IB is an area code in 4 countries. The plate's style and country code tell them apart.
Greece
IB-1234Code details →Athens
Spain
IB-1234-ABCode details →Balearic Islands
Ukraine
IB 1234 BCCode details →Chernihiv Oblast
United Kingdom
IB51 ABCCode details →Armagh (Northern Ireland)