Log in to your PayPal account
Go to your Profile or Account Settings
Look for your email address, since PayPal does not use a traditional account number for most accounts
Check your PayPal statement or transaction details for any reference number if needed
If you need a bank account number linked to PayPal, go to Wallet and select the linked bank account
If you need your PayPal Merchant ID, go to Account Settings or Business Profile
Contact PayPal Support if you cannot find the information you need