Troubleshoot wireless call issues

Find out what to do when you can't make or receive calls on your AT&T mobile phone.

Try these tips to get your phone working again

Turn your phone off and back on.
Try calling the number again.
Make sure your software’s up to date: Go to att.com/softwareupdates.
Confirm you have wireless service. Make sure you have a signal. Check our network coverage map.
Turn off call forwarding. Press #21# on your phone and then the Call, Send, Talk, or Receiver key.
Check that you aren’t blocking calls.

Turn off airplane mode. Most phones show an airplane icon when airplane mode is on.
Check your SIM card. You may have to take it out and put it back in if your phone displays Insert SIM or Emergency Call Only.
Get device support.
Service suspended? Find out how to reactivate your wireless service.
If you have AT&T ActiveArmor^SM mobile security, you can see a list of blocked calls and why they were blocked. Learn more about AT&T ActiveArmor^SM

Last updated: May 31, 2023

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