How old do you have to be to work at AT&T?

You must be 18 or over to work at AT&T. The age limit for an entry-level job at AT&T, for a part-time or full-time retail sales associate or a customer service representative in a call center position, is 18 years old with a high school diploma.

For an internship position at ATT, candidates are required to have a bachelor's degree and course experience in the field they are applying to (e.g., finance, IT, security). No one under the age of 18 is eligible to enroll in an internship program at ATT.