ISO 3166-2:MX
The list of ISO -3166 -2 codes for Mexico contains the codes for the 31 Mexican states ( estados ) and one federal district ( distrito federal ).
The codes are composed of two parts which are separated by a hyphen. The first part is the country code according to ISO 3166-1 ( for Mexico MX ), the second the code for the states or the federal district again. The current country code has not been updated since the publication in 1998.