On iOS devices, unknown calls are often silenced by a specific software feature. : Go to the Settings app on your iPhone.

Here are the steps to unblock unknown calls on your phone:

To test: Call your own number from a blocked line. If it goes to a carrier block message, adjust carrier settings.

How to Unblock Unknown Calls on iPhone and Android If you've noticed that you're missing important calls from people not in your contacts list—like a doctor's office, a delivery person, or a potential employer—you likely have a "block unknown callers" feature enabled. These settings are designed to stop spam, but they can sometimes be too effective.

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