Find Account Numbers on Mailed Account Statements
Find your latest bank account statement from Chase Bank. Chase mails account statements regularly throughout the year.
Refer to the page of the account statement that has your checking summary, deposits and additions, and ATM and debit card withdrawals.
Look in the upper right hand corner for your checking account number. The number should be 15 digits long, beginning with six zeros.
Find Chase Account Numbers Online
Go to the Chase website and enter your User ID and password to access your checking and savings accounts.
Click on the "Customer Center" tab in the upper right side of the website.
Click on the "See account statements" link.
Choose a date range to open your account information for then click the link that says "View". This will open a PDF file identical to the printed statement Chase Bank sends out.
Refer to the upper right hand corner to find your account number.