Banks in Tonga:

ANZ BANK, LTD. 2 codes
ANZ BANKING GROUP (NEW ZEALAND), LTD. 1 codes
ANZ BANKING GROUP LIMITED 1 codes
AUSTRALIA AND NEW ZEALAND BANKING GROUP, LTD. 2 codes
BANK OF SOUTH PACIFIC TONGA LIMITED 1 codes
BANK OF SOUTH PACIFIC TONGA, LTD. 3 codes
BAT TONGA 1 codes
MBF BANK LIMITED 1 codes
NATIONAL RESERVE BANK OF TONGA 1 codes
TONGA DEVELOPMENT BANK 1 codes
TONGA DEVELOPMENT BANK, LTD. 1 codes
WESTPAC - SOUTH PACIFIC 1 codes
WESTPAC BANKING CORPORATION 3 codes