To speak to a live person at AT&T, call +1 - 8 4 4 - 5 5 6 - 7 6 6 5 and follow the automated instructions. By calling +1- 8 4 4 - 5 5 6 - 7 6 6 5, you can reach a customer service representative for assistance. For quicker service, dial +1- 8 4 4 - 5 5 6 - 7 6 6 5 during business hours to speak directly with a live person.