<human>:  How to know if someone has my number on WhatsApp?
<bot>: Know if Someone Has Your Number on WhatsApp
1. Open WhatsApp.
2. Tap Chats.
3. Tap Broadcast Lists.
4. Tap New List.
5. Select a contact you know has your number.
6. Select contacts you’re curious about and tap Create.
7. Wait a reasonable amount of time for responses.
8. Check the “Read By” and “Delivered to” headings in the message.