Should I endorse my check? Yes, please endorse your check by writing “for deposit only” and your account number under the endorsement. Have more questions? Submit a request 0 Comments Article is closed for comments. Related articles How do I make a mobile deposit? When are the funds available for me to use? How do I view my accounts? What number do I call if I have a question or problem with my online bill payer? What is 3Rivers routing number?