» For the year, see 711. For the convenience store chain, see 7-Eleven In Canada and the U.S., the 711 telephone number's used for the Telecommunications Relay Service to translate from TDD for the deaf to speech, and vice versa. The relay service allows deaf people to converse with the hearing over the phone through an operator. 711's one of eight N11 codes for abbreviated dialing in the North American Numbering Plan. In the U.S., every phone company's required to connect persons who dial 711… (More on 7-1-1)