How to Block a Number on iPhone in iOS 17

Blocking unwanted calls and messages on your iPhone is a useful feature that helps you avoid spam, telemarketers, and other unwanted communications. Whether you’re dealing with persistent sales calls or harassing text messages, blocking a number on your iPhone is a straightforward process. In this guide, we’ll walk you through the steps to block a number on your iPhone effectively.

Why Block a Number on iPhone?

Blocking a number on your iPhone offers several benefits:

Avoid Unwanted Communications: Blocking a number prevents unwanted calls, texts, and FaceTime calls from reaching your iPhone, helping you maintain peace of mind and focus on important matters.

Protection from Spam and Scams: By blocking suspicious or unknown numbers, you can protect yourself from spam calls, phishing attempts, and scams that seek to steal personal information or money.

Enhanced Privacy: Blocking a number ensures that the caller or sender cannot reach you, preserving your privacy and reducing interruptions.

Block a Number on iPhone

Blocking a number on your iPhone can be done in a few simple steps. Follow these instructions to block unwanted calls and messages:

1. Begin by opening the Phone app on your iPhone. This app is typically located on the Home screen and is represented by a green icon with a white phone receiver.

2. If you want to block a number from your recent calls list, tap on the “Recents” tab at the bottom of the screen. Alternatively, if you wish to block a contact saved in your address book, tap on the “Contacts” tab.

3. Scroll through your recent calls list or contacts to find the number you want to block. Once you’ve located the number, tap on it to open the details.

4. On the contact details screen, tap on the “i” icon or the information icon next to the number. This will open the details for the selected contact or number.

5. Scroll down to the bottom of the contact details screen and tap on “Block this Caller” or “Block Contact,” depending on your iPhone model and iOS version.

6. A confirmation prompt will appear asking if you want to block the selected number. Confirm your decision by tapping on “Block Contact” or “Block” to proceed.

7. To manage blocked contacts and review the list of numbers you’ve blocked, go to the “Settings” app on your iPhone.

8. Scroll down and tap on “Phone” or “Messages,” then select “Blocked Contacts.” From here, you can view, edit, or unblock any blocked numbers as needed.


Blocking a number on your iPhone is a simple yet effective way to prevent unwanted calls and messages from reaching your device. By following the steps outlined above, you can quickly block spam, telemarketers, and other unwanted communications, helping you maintain privacy and peace of mind. Remember to periodically review your blocked contacts list to manage and update your blocked numbers as needed.

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