Codes used in several countries
NO on a licence plate
NO is an area code in 6 countries. The plate's style and country code tell them apart.
Germany
NÖ-AB 1234Code details →Donau-Ries (Bavaria)
named after Nördlingen
Greece
NO-1234Code details →Thessaloniki
Italy
NO A58322Code details →Novara (Piedmont), Verbano-Cusio-Ossola (Piedmont)
Poland
NO 12345Code details →Olsztyn (Warmian-Masurian)
Slovakia
NO 123ABCode details →Námestovo (Žilina Region)
United Kingdom
NO51 ABCCode details →Newcastle (North)