There is no "official" notification when someone blocks you, but there are several reliable indicators: How to Tell If Someone Blocked Your Number | iOS & Android
Unblock Your Number is a feature that allows users to temporarily or permanently unblock their phone number, enabling them to make outgoing calls and send texts to anyone, even if their number was previously blocked. unblock your number
While the "Block Caller ID" feature is a powerful tool for privacy, there is a growing argument for knowing when to take off the mask. Unblocking your number isn't just about giving away your digits; it’s about building trust, bypassing digital gatekeepers, and ensuring that the person on the other end of the line actually picks up. There is no "official" notification when someone blocks