Will there only be one sign-on ID for both mobile and online access? Yes, mobile and online acess will use the same username and password established in OLAA. Have more questions? Submit a request 0 Comments Article is closed for comments. Related articles How do I view my accounts? What are my sign-on ID and password for the new mobile app? Toll Free 800-825-3641 Local 260-490-8328 I forgot my user name. How do I retrieve it? How do I pay a 3Rivers loan/credit card/mortgage/line of credit?