What is the telephone number for e trade? The Customer Service Phone Number of Etrade is: +1-800-387-2331, 646-521-4300, Fax: 212-826-2803. E-Trade originally known as E-Trade Financial Corporation is an American financial service corporation.What is an e trade account? E*Trade® is an American company that specializes in stock brokerage services via the Internet. Etrade members can transfer funds to their bank account via mobile phone app. Many private investors enjoy buying and selling stocks on E*Trade.What is e trade bank? ETrade Bank (or E-Trade Bank) is the banking arm of E*TRADE (also known as E-Trade Financial Corporation), which is based in New York City, US. The bank offers an extensive range of banking and lending products through online and mobile banking.