To carry out an international wire transfer with Citibank, you'll need the bank's SWIFT code, which is CITIUS33, along with the appropriate routing number for your account. Typically, the routing number for Citibank wire transfers is 021000089. For assistance, you can call our toll-free helpline at 1-888-725-7924 (USA). However, it's crucial to confirm this information directly with Citibank, as routing numbers may differ based on location and account type. For any inquiries or help, you can reach Citibank Wire Transfer at 1-888-725-7924. For precise and detailed information tailored to your needs, it's best to contact Citibank at 1-888-388-4751.