In order to make international payments to Tonga you have to know the bank´s SWIFT / BIC code.
The SWIFT code consists of 8 to 11 characters (letters and digits) and for Tonga the SWIFT code has the following format:
| SWIFT Code | Bank | City |
| ANZBTONN | AUSTRALIA AND NEW ZEALAND BANKING | NUKUALOFA |
| BTONTONU | BANK OF TONGA | NUKUALOFA |
| MBFMTONU | MBF BANK LIMITED | NUKUALOFA |
| NRBTTONU | NATIONAL RESERVE BANK OF TONGA | NUKUALOFA |