Most major telecom carriers utilize to manage Selective Call Rejection. Lift the handset and wait for a clear dial tone. Dial *60 (or 1160 on rotary phones). Listen carefully to the automated voice menu instructions. Press the * (star) key to initiate a number removal. Key in the 10-digit phone number you wish to unblock. Press the * (star) key again to confirm.

If callers with blocked Caller IDs cannot reach you, but you want them to:

If you are trying to figure out how to make your own number visible to others (unblocking your outbound Caller ID), the story is different.

In conclusion, unblocking a number on a landline is not a universal button press but a diagnostic journey. Whether you are dialing *80 on a classic copper line, deleting a contact from a cable provider’s web portal, or tapping “unblock” in a VoIP app, the solution lies in first understanding the technology in your home. The humble landline may lack a touchscreen, but with the right knowledge, its gates can be opened just as easily as any smartphone’s. Reconnecting a barred number is a simple reminder that even the oldest communication tools can be adapted to our modern needs—provided we know the right key to turn.

Sometimes, a number isn't manually blocked, but it gets blocked due to settings like "Anonymous Call Rejection" or "Do Not Disturb."