Verizon does not have a "Delete All" button. You must delete them one by one. However, there is a workaround:
Don't trust the "Success" message in the app. Trust the test. unblock phone number verizon
If you blocked the number through your Verizon account settings (Verizon Smart Family) rather than directly on your phone, you must unblock it through the app. Verizon does not have a "Delete All" button
💡 Verizon's free blocking service only allows up to 5 numbers per line. If you need to block or unblock more than that, you may need to upgrade to the Smart Family plan. To give you the most accurate help, let me know: Are you using a personal or business account? Do you have the Verizon Smart Family app installed? Is the number blocked on an iPhone or an Android ? Trust the test
But life is rarely linear. That contractor who ghosted you last year is now the only one who can fix your leaky pipe. That relative you had a falling out with just had a health scare. Or, most commonly, you realize you blocked your dentist’s office by accident six months ago.
When you block a number, Verizon’s switch flags that number ID. Even after you unblock, some Verizon exchanges retain a "reputation cache" for up to 90 days. The network thinks, "This number was blocked before; maybe it’s spam."
I can provide specific menu paths for your exact device model.