Managing unknown callers on your AT&T iPhone is essential to avoid unwanted interruptions and potential scams. Here's how you can effectively handle these calls:
How Can I Block Calls from Unknown Numbers on My iPhone?
To block calls from unknown numbers directly on your iPhone:
- Open the Settings app.
- Scroll down and tap on Phone.
- Select Call Blocking & Identification.
- Toggle on Block Calls from Unknown Numbers.
This feature sends calls from numbers not in your contacts directly to voicemail. However, be aware that it may also block important calls from businesses or services that don't have your number saved. (support.apple.com)
What Is AT&T ActiveArmor and How Does It Help with Unknown Callers?
AT&T ActiveArmor is a mobile security app designed to protect AT&T customers from spam calls, fraud, and other cyber threats. It offers features like spam call blocking, fraud call blocking, and alerts for suspected spam. To use ActiveArmor:
- Download the AT&T ActiveArmor Mobile Security app from the App Store.
- Open the app and follow the setup instructions.
- Enable features like Fraud Call Blocking and Spam Call Blocking.
ActiveArmor is free for eligible users and provides an additional layer of protection against unwanted calls. (att.com)
How Does Robokiller Compare to AT&T ActiveArmor in Blocking Unknown Callers?
While AT&T ActiveArmor offers basic spam call blocking, Robokiller provides more advanced features:
- Spam Call Blocking: Robokiller uses machine learning to identify and block spam calls, including those from unknown numbers.
- Answer Bots: Robokiller's unique Answer Bots engage with spam callers, wasting their time and preventing them from reaching you.
- Spam Text Blocking: Robokiller also blocks spam texts, offering comprehensive protection.
Robokiller is available for $4.99 per month or $39.99 per year, with a free 7-day trial to test its features. (robokiller.com)
How Do I Block Specific Unknown Numbers on My iPhone?
To block a specific unknown number:
- Open the Phone app.
- Go to the Recents tab.
- Tap the info icon next to the number you want to block.
- Scroll down and tap Block this Caller.
This will prevent that specific number from calling or texting you in the future. (att.com)
Are There Any Additional Tips for Managing Unknown Callers on My iPhone?
- Enable Silence Unknown Callers: This feature silences calls from unknown numbers and sends them to voicemail. To activate:
- Go to Settings > Phone.
- Toggle on Silence Unknown Callers.
- Use Call Screening: With iOS 26 and later, you can enable Call Screening to have unknown callers state their name and reason for calling before your phone rings. To set this up:
- Go to Settings > Phone > Call Blocking & Identification.
- Enable Call Screening.
These features can help reduce unwanted calls and ensure you only receive calls from known contacts. (support.apple.com)
By utilizing these built-in features and considering third-party apps like Robokiller, you can effectively manage unknown callers on your AT&T iPhone, enhancing your privacy and reducing interruptions.



