What is Frontier’s mailing address?

To pay by mail, please send your payment and payment stub to:

Frontier
PO Box 740407
Cincinnati, OH 45274-0407

There is no fee to pay by mail. Please pay by check or money order made out to Frontier. Write your 17-digit account number on the “For” line of your check or money order. Payments are posted to your account after 5:30 p.m. on the day they are received.

If you need to make an overnight payment, please send to:

Frontier
5050 Kingsley Drive
Cincinnati, OH 45227-1115