: If you use a network-level blocking service (like BT Call Protect ), you may need to log into your online account or use their specific dial-in menu to manage the block list. 2. Standard Dial Codes to Clear Blocks

| Action | Code | |--------|------| | Check blocked list | *80 (or *60 on older systems) | | Unblock a specific number | *80 then follow voice prompt | | Remove last blocked number | *87 | | Turn off all blocking | *80 → select “disable” |

Most major landline providers (Xfinity, Spectrum, AT&T, BT, Telstra) let you manage blocks under:

Most landlines support these vertical service codes (try dialing ):

“Can you remove a number from my landline’s call block list? I’ve already tried *80 and online settings.”