If you want to remove a particular phone number from your lookup history, you can follow these steps based on the version of the app you are using:

On iOS version

1. Open the app and go to the Lookup History screen by tapping button on home screen.
2. Find the row containing the phone number you want to remove.
3. Swipe left on the row. A “Delete” button should appear.
4. Tap on the “Delete” button to remove that particular phone number from your history.

On Android version

1. Open the app and go to the Lookup History screen by swiping right and tapping on “Lookup History” on the menu that appears.
2. Find the row containing the phone number you want to remove.
3. Long-press on the row. A “Delete” button should appear.
4. Tap on the “Delete” button to remove that particular phone number from your history.

By following these steps, you can easily remove any unwanted phone numbers from your lookup history. This can be useful if you want to keep your history clean or remove any sensitive information you may have searched for in the past.