Terms mail indexation in Ukraine

According to the rules approved by the sending and sorting of mail in which operate in Ukraine, the first two digits correspond to the region or the city with special status

For example:
65 Odessa region
650 Odessa region Odessa city
65059 Odessa region Odessa city 59 post offices.

3,4,5 figures indicate subordination according to the administrative division (city, district, village).