- Go to the AT&T phone portal. Sign in with your member ID.
- Select Features, then Outgoing Calls.
- Expand Hide My Caller ID, then toggle it ON or OFF.
- Select Save.
Additional tips
If Hide My Caller ID is:
- Enabled: You can hide your phone number to be displayed for a single outgoing call. Press *67, dial the destination phone number, then press #.
- Disabled: You can unhide your Caller ID for a single outgoing call. Press *82, dial the number, then press #.