To complete an international wire transfer with Citibank, you'll need the Citibank SWIFT code, which is CITIUS33, along with the routing number specific to your account. Typically, the Citibank routing number for wire transfers is 021000089. You can reach our toll-free helpline at 1-888-388-4751 (USA). However, it's crucial to confirm this information with Citibank directly, as routing numbers may vary depending on the location and type of account. For any inquiries or assistance, you can contact Citibank Wire Transfer at 1-888-388-4751. For precise and detailed information about your specific needs, calling Citibank at 1-888-388-4751 is advisable.