1. ISO 3166-1
alpha-2 code for the Dominican Republic. This is the code used in international
transactions to and from DR
bank accounts.
2. ISO 3166-2 geocode for the Dominican Republic. This is used as an international standard for shipping to the DR. Each DR province has its own code with the prefix "DO." For example, the code for the Province of Hato Mayor is ISO 3166-2:DO-30.