Customer Portal:  Within Dashboard access the 'Your Products' section.  Select drop down arrow (circled below) to expose loan details.  Loan Number is shown in the first row as the second field (circled below).  Copy this Loan Number down to input as the Lender PPP Loan Number.

Promissory Note:  Within top grid line of the Promissory Note the Loan Number can be found in the fourth column 'Loan No' (circled below).  Copy this Loan Number down to input as the Lender PPP Loan Number.