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How to silence unknown callers on iPhone

iOS can send numbers that are not in your contacts straight to voicemail. On iOS 26 the switch is Settings > Apps > Phone > Unknown Callers. On iOS 18 the same switch is usually labeled Silence Unknown Callers.

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  1. iPhoneSend unknown callers straight to voicemailSettings > Apps > Phone > Unknown Callers. Saved contacts still ring.Easy · 1 min

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