Residential customer service 1.866.MYZIPLY (1-866-699-4759) 8am - 9pm PST, Monday - Friday 8am - 9pm PST, Saturday - Sunday Bill payment mailing address Ziply Fiber P.O. Box 740416 Cincinnati, OH 45274-0416 Online bill payment Pay your bill online anytime. Log in to your Ziply Fiber account Create a Ziply Fiber account Phone bill payment 1.866.843.7730 8am – 5pm PST, Monday – Friday