If you receive a phone call from someone that states they are calling for Rochelle Municipal Utilities and that you need to make a payment, please verify that it was RMU. Do not give your personal information over the phone and call RMU at 815-562-4155 immediately. We have reason to believe that unknown persons are saying they are from RMU. If you have any questions or need addtional information, please call the RMU Customer Service office at 815-562-4155.