021001088 routing number is a 9-digit number designed and assigned to Hsbc Bank Usa, N.a. by The American Bankers Association (ABA) to identify the financial institution upon which a payment was drawn. Hsbc Bank Usa, N.a. routing numbers are also known as as "ABA numbers", "routing transit numbers" (RTN), or "check routing numbers". Routing numbers depend on the type of transaction made such as reorder Hsbc Bank Usa, N.a. checks, receive incoming domestic or international wire transfers, use the number for wire transfers to your Hsbc Bank Usa, N.a. account, or to set up direct deposits. Please call Hsbc Bank Usa, N.a. representative at for more information.