It was mostly behavioral interviews, with one interview consisting of programming questions that were fairly basic. You should be okay with the programming portion of the interviews if you have studied basic algorithms.
The following metrics were computed from 31 interview experiences for the AT&T Software Engineer (Internship) role in United States.
AT&T's interview process for their Software Engineer (Internship) roles in the United States is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for AT&T's Software Engineer (Internship) interview process in United States.