ATT Frequencies Posted by normz.muufin on March 22, 2012 09:51 pm 1 Can not seem to find a straight forward clear answer anywhere. What bands does ATT use? for 2G/3G/HSPA+/LTE? Thanks! There is 1 Comment. Load 'Em Up. Show speed reading tips and settings Shortcuts to mastering the comment thread. Use wisely. C - Next Comment X - Mark as Read R - Reply Z - Mark Read & Next Shift + C - Previous Shift + A - Mark All Read Comment Settings Live comment alert: Hide it! Comments for this post are closed.