311 is a toll-free number that allows people in the District of Columbia to request assistance with city services and information.
811, the national Call Before You Dig telephone number.
711, District of Columbia Relay Service makes telephone conversations possible for individuals who are deaf, hard of hearing, deaf-blind or have difficulty speaking on the phone.
711, District of Columbia Relay Service makes telephone conversations possible for individuals who are deaf, hard of hearing, deaf-blind or have difficulty speaking on the phone.