East West Bank Online Banking East West Bank was founded in 1973 in Pasadena, California, where it remains headquartered. It began as a financial service company attending to the expanding Chinese community in Southern California. Currently, it has over 130 branches spread over Greater China and the US. In the US, branches can be found in southern and northern California, Nevada, Georgia, New York, Massachusetts, Washington SC, and Texas. Customer Service Telephone 1 (888) 761-3967 Online Banking Login How to…