October 25, 2018 You are here: KB Home Corporate Account I am a customer and I am not registered on the Mainstreet MFB Online Banking, How do I register? < BackYou can register on our website at https://www.mainstreetmfb.com click on online banking and choose subscribe to register. Share this...FacebookTwitterLinkedin Post navigation Where can funds be transferred?Can I change my pin on any bank’s ATM using MainstreetMFB ATM Verve (Debit/Credit)?