How to delete a phone number from WhatsApp on an Android phone?

How to delete a phone number from WhatsApp on an Android phone - briefly?

To delete a phone number from WhatsApp on an Android phone, follow these steps:

Open WhatsApp and go to the chat with the contact you want to remove.
Tap on the three dots in the top-right corner, select "More" > "Delete Chat". Confirm your choice when prompted.

To delete a phone number from WhatsApp on an Android phone, follow these detailed steps:

Open WhatsApp: Launch the WhatsApp application on your Android device by tapping on its icon from the home screen or app drawer.
Access the Contacts Screen: Once you are in the main chat screen of WhatsApp, tap on the three vertical dots (⋮) located at the top-right corner of the screen to open the menu options. From the dropdown menu, select "Contacts" to view all the contacts saved in your WhatsApp application.
Locate the Contact: Scroll through the list of contacts and find the phone number you want to delete. Tap on the contact name or phone number to open their profile page within WhatsApp.
Delete the Contact: On the contact's profile page, tap on the three vertical dots (⋮) located at the top-right corner of the screen. From the dropdown menu, select "Delete contact." A confirmation prompt will appear asking you to confirm the deletion. Tap on "DELETE" to remove the phone number from your WhatsApp contacts list.
Confirm Deletion: After tapping "DELETE," the contact will be immediately removed from your WhatsApp contacts. You can verify this by going back to the Contacts screen and ensuring that the contact is no longer listed there.
Remove from Device (Optional): If you also want to delete the phone number from your device's native contacts list, open the Contacts app on your Android phone, locate the contact, tap on it, and then select "Delete contact" from the menu options. Confirm the deletion when prompted.

By following these steps, you can successfully remove a phone number from WhatsApp on your Android device.