So, for such users I am sharing this guide with you which will help you to use Whatsapp without using any kind of mobile number. You need to follow this guide and you are all the way there.
After that, go to Outbox and send the detail to spoofed verifications. Use these details for that; To:+447900348595 From: Country Code, Mobile Number and Message: Your Email ID. Now, these details will be sent to that false number and you may use that number for the verification of your Whatsapp account .