YM was the registration area code for London (Central) district in the Greater London area of England on pre 2001 registered vehicles in the UK. See also[edit | edit source] Vehicle registration plates of the UK All items (1) # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other N NYM 881E Categories: Registration numbers by area code London London (Central) registration number area codes Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.