To pay your Frontier bill by mail, please include your payment stub located at the bottom of page one of your bill. Do not send cash through the mail.
PO Box 740407
Cincinnati, OH 45274-0407
To pay by registered mail or overnight delivery only, please include your payment stub, write your account number on your check or money order, and send them to:
5050 Kingsley Drive
Cincinnati, OH 45227-1115
For complete details on several other ways to pay your bill, please see Pay My Bill.
Here is an example of the payment stub of a Frontier residential bill, highlighting the payment address.