Request for some of the most sought after City services below. If you still need help dial 3-1-1 within the City of Los Angeles, or (213) 473-3231 outside the greater Los Angeles area. For the hearing impaired, dial TDD Number (213) 473-5990. Also you can email firstname.lastname@example.org. For even more info go to: What is 3-1-1? (¿Que es 3-1-1?).