If you want to block a number on your iPhone 5c, there are a few different ways to go about it.

  1. Open the Phone app and tap on the Contacts tab.
  2. Scroll down until you see the person or number you want to block and tap on it.
  3. On the next screen, you’ll be asked if you want to add this number to your blocked list. If so, tap on Yes and then tap on Block from Contact in the following menu that pops up.
  4. Finally, confirm that you want to block this number by tapping on OK in the previous menu and then exiting out of the Phone app. ..