A SWIFT code (or SWIFTBIC, as it's sometimes known) is a code that helps overseas banks identify which bank to send money to. For example, if an overseas. A SWIFT code is a code that helps overseas banks identify which bank to send money to. Find out The Barclays UK SWIFT (or SWIFTBIC) code is BARCGB. Finde hier die BIC/ SWIFT - Code der Zweigstelle von Barclays Bank Plc in United Kingdom. Weitere Informationen rund um internationale Überweisungen findest.