How to Block Spam Calls on iPhone in the US Easily

 Spam calls are a major nuisance for iPhone users in the U.S., including telemarketing, scam, and robocalls. Blocking them not only reduces distractions but also protects your privacy. This AvNexo guide provides step-by-step instructions to block spam calls effectively on your iPhone.

Why Block Spam Calls

  • Reduce interruptions during work, meetings, or personal time.

  • Protect against scams and fraudulent calls.

  • Maintain privacy by limiting unknown callers.

  • Enhance productivity by avoiding unwanted distractions.

Step 1: Use Built-In iPhone Features

  1. Silence Unknown Callers:

    • Go to Settings → Phone → Silence Unknown Callers.

    • Toggle it on.

    • Calls from numbers not in your contacts, Mail, or Messages go straight to voicemail.

  2. Block Specific Numbers:

    • Open the Phone app → Recents.

    • Tap the info (i) icon next to the number.

    • Tap Block this Caller → Block Contact.

This method works well for repeated spam numbers.

Step 2: Use Carrier Tools

Most U.S. carriers provide built-in spam call filtering:

  • AT&T: Free Call Protect app blocks suspected spam.

  • Verizon: Free Call Filter app identifies and blocks robocalls.

  • T-Mobile: Scam Shield app automatically filters spam calls.

AvNexo Tip: Download the carrier’s official app from the App Store and enable automatic spam detection for the best results.

Step 3: Install Third-Party Spam Blocker Apps

Trusted apps in the U.S. include:

  • Hiya

  • Truecaller

  • RoboKiller

Steps:

  1. Download and install the app.

  2. Allow it to access Phone & Contacts.

  3. Enable Call Blocking & Identification: Settings → Phone → Call Blocking & Identification → toggle app on.

These apps provide real-time spam detection and can block thousands of known spam numbers automatically.

Step 4: Enable Do Not Disturb for Unknown Callers

  • Settings → Focus → Do Not Disturb → Customize → Allow Calls From → All Contacts.

  • This silences calls from unknown numbers while letting your contacts through.

  • Ideal for U.S. users who want minimal interruptions during work hours.

Step 5: Report Spam Numbers

Reporting helps reduce spam calls nationwide.

AvNexo Tip

Combine multiple methods: enable carrier spam filtering, use third-party apps, and silence unknown callers. This layered approach provides the most effective protection against robocalls and scams in the U.S.

Related AvNexo Guides

  • Disable Unnecessary Notifications on iPhone for US Users

  • iPhone Wi-Fi Not Connecting to US Networks? Fix It

  • Stop iPhone Overheating During Summer in North America

Final Thoughts

Blocking spam calls on iPhone is essential for productivity, privacy, and safety. By following AvNexo’ step-by-step guide — using built-in features, carrier tools, and trusted third-party apps — U.S. iPhone users can enjoy a hassle-free phone experience and minimize unwanted interruptions.

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