How to block a contact on my iPhone?

Block messages from a specific person or phone number

• Open the Messages app on your iPhone.
• In a Messages conversation, tap the name or number at the top of the conversation.
• Tap Info , scroll down, then tap Block this Caller.

Block, filter, and report messages on iPhone - Apple Support (IN)

1. Open the Contacts app:

• • Locate and open the "Contacts" app on your iPhone.

1. Find the contact to block:

• • Navigate to the contact you want to block.

1. Open the contact details:

• • Tap on the contact to open their details.

1. Scroll down and tap "Block this Caller":

• • Scroll down to the bottom of the contact details page.
  • Tap on "Block this Caller."

1. Confirm the block:

• • A pop-up will appear, asking you to confirm the block. Tap "Block Contact" to confirm.

Now, the contact is blocked. They won't be able to call, message, or FaceTime you. If they try to contact you, they will be sent directly to voicemail, and their messages won't be delivered.