I lost my phone and sim card and I need to activate my new phone and sim card to my phone number

Want to change my data from old number to my new device

Whenever I attempt to send texts, I automatically get the error, "! Not sent. Tap to try again."I'm unable to contact anyone at AT&T, and the website

I have had my prepaid plan close to a year. I am on the auto pay. I submitted a request to unlock my iPhone 7 Plus but was denied. They said I had a b

I just switched over from straight talk to att almost a month now. Since then I have NOT been able to make or receive calls. I called customer care to

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"The system cannot sign you in at this time. Try again in 60 minutes."I'm receiving this message even though I am positive both my username and passwo

I bought a used Galaxy note 10 plus and it's from Verizon it's unlocked will it work my at&t predaid service?

I need help switching my service to a new phone. I've tried putting in the IMEI but it keeps telling me to only put in a new device and it is new. Als

Since the $29.99 now $34.99 extincted unlimited data plans for iPads and other AT&T tablets was removed AT&T is been unfairly, silently and illegally