For å foreta internasjonale betalinger til Sierra Leone må du kjenne bankens SWIFT-/BIC-kode.
SWIFT-koden består av 8 til 11 tegn (bokstaver og sifre) og for Sierra Leone har SWIFT-koden følgende format:
| SWIFT-kode | Bank | By |
| ABSFSLFR | ACCESS BANK SIERRA LEONE LIMITED | FREETOWN |
| BSLESLFA | BANK OF SIERRA LEONE | FREETOWN |
| BSLESLFR | BANK OF SIERRA LEONE | FREETOWN |
| ECOCSLFR | ECOBANK SIERRA LEONE LIMITED | FREETOWN |
| FSTISLFR | FIRST INTERNATIONAL BANK (SL) LIMITED | FREETOWN |
| GTBISLFR | GUARANTY TRUST BANK (SL) LTD | FREETOWN |
| ICBZSLFR | INTERNATIONAL COMMERCIAL BANK(SL) LIMITED | FREETOWN |
| NCDBSLF1 | NATIONAL COOPERATIVE DEVELOPMENT BANK LTD. | FREETOWN |
| PCBSSLFR | PROCREDIT BANK SIERRA LEONE LIMITED | FREETOWN |
| PHBXSLFR | BANK PHB SIERRA LEONE | FREETOWN |
| RCBKSLFR | ROKEL COMML BANK (SIERRA LEONE)LTD | LONDON EC4N 8AS |
| SCBLSLFR | STANDARD CHARTERED BANK SIERRA LEONE LTD | FREETOWN |
| SKYESLFR | SKYE BANK (SL) LTD | FREETOWN |
| SLCBSLFR | SIERRA LEONE COMMERCIAL BANK, LTD. | FREETOWN |
| UNAFSLFR | UNITED BANK FOR AFRICA (S/L) LTD | FREETOWN |
| UTBSSLFR | UNION TRUST BANK LTD. | FREETOWN |
| ZESLSLFR | ZENITH BANK (SIERRA LEONE) LIMITED | FREETOWN |