Bermuda, 060, BMU, BM, ISO 3166-2:BM. Bhutan, 064, BTN, BT, ISO 3166-2:BT. Bolivia, 068, BOL, BO, ISO 3166-2:BO. Bosnia and Herzegovina, 070, BIH, BA 1.1 ISO 3166-1; 1.2 ISO 3166-2; 1.3 Non-ISO 3166 ISO 3166 code PK-BA; Pakistan BOL 068 BOSNIA AND HERZEGOWINA BA BIH 070 BOTSWANA BW BWA 072 BOUVET ISLAND BV BVT 074 BRAZIL BR BRA 076 BRITISH INDIAN OCEAN Alpha-2 Codes listed in International Standard ISO 3166-1, Codes for the a Maintenance Agency with the management of International Standard ISO 3166. BA. Bosnia and Herzegovina. BB. Barbados. BD. Bangladesh. BE. Belgium. BF. ISO 3166 is often referred to in discussions without proper understanding. Eg: ISO (3166-2 codes) into Bosnia and Herzegovina (BA), Croatia (HR),The.