Toll Free 800-825-3641 Local 260-490-8328 Toll Free 800-825-3641 Local 260-490-8328 Have more questions? Submit a request 0 Comments Please sign in to leave a comment. Related articles Why is my 3Rivers debit or credit card being declined? I have a charge on my debit card or credit card that I don’t recognize. What do I do? Home Office Address What is 3Rivers routing number? How to set the PIN on your Mastercard.