TD Ameritrade, also known as Ameritrade is a broker that offers an electronic trading platform for the trade of common stocks, preferred stocks, futures contracts, exchange-traded funds, forex, options, cryptocurrency, mutual funds, fixed income investments, margin lending, and cash management services. The company offers round the clock assistance to address consumer grievances. In order to get in touch with Ameritrade Customer Service representatives, kindly refer to given contact details Ameritrade Customer Service Number for Existing Clients: 800-669-3900 | En Español: 888-376-4684 Ameritrade Customer Service Email: techservices@tdameritrade.com Ameritrade Customer Service Number for New Accounts: 800-454-9272 Retirement Consultants: 800-213-4583 International support, Outside the United States: 800-368-3668 | Calling from a country not listed on the AT&T International Toll-Free Dialing Guide: 402-970-5805 TTY Services for the Hearing Impaired: 888-723-8503 Ameritrade Branch