Codes used in several countries
MM on a licence plate
MM is an area code in 4 countries. The plate's style and country code tell them apart.
Germany
MM-AB 1234Code details →Memmingen (Bavaria)
Greece
MM-1234Code details →Pella
Romania
MM 12 ABCCode details →Maramureș
United Kingdom
MM51 ABCCode details →Manchester (Manchester and Merseyside)