You can change your registered phone number on your Paxful account. Here's how you can easily change your number on Paxful.
1. Log in to your Paxful account, hover over your username on the top right of the page and click Settings from the context menu that appears.
The Settings page appears.
2. On the menu on the left, click Profile.
Your Profile page appears.
3. Click Change number near to PHONE field.
A confirmation link appears.
4. Confirm the action by clicking Click to send reset link to email. 
An email is sent to your inbox.
5. Open the email from [email protected] and click the link in the email.
You are redirected to the security questionnaire on our website.
Note: The link received in your email will expire after 30 minutes from the time the email appears on your inbox.
6. Answer your security questions and click Submit.
Your phone number is reset. Follow the phone verification procedure to finalize the process.
If you face are any issues answering the security questions or receiving the email, please contact support for help.