We provide technology systems that give you fast, easy and secure payment options for your taxes and bills, such as by internet, telephone and mobile app. Our systems also give you extra ways to pay, including by credit and debit card. Additionally, we provide bill management tools such as automatic recurring payments, e-mail reminders, and an e-wallet. To maintain these secure systems and services, we charge a fee. Because the service fee varies by payment method, please use our Fee Calculator to find the best payment method for you.
To help ACI Payments, Inc. Customer Service Representatives assist you with your questions,
please have the following information handy when you e-mail or call us:
Name of the government entity you want to pay (i.e. IRS).
Amount you want to pay.
Contact e-mail address or telephone number where you can be reached.
Confirmation number and the last four digits of your credit or debit card number,
if you have already made a payment.
Pay By Phone - Toll-free
1-888-UPAY-TAXsm (1-888-872-9829)
International -
1-334-521-3842
(Automated Telephone Service - 24/7) Federal Payment Inquiries - Toll-free
1-877-754-4413
International -
1-334-521-3843
(Automated Telephone Service - 24/7)
The Internal Revenue Service (IRS) can be reached at the following toll-free numbers:
U.S. Internal Revenue Service Customer Service Inquires
Personal Taxes: Toll-free 1-800-829-1040
Business Taxes: Toll-free 1-800-829-4933
Online Payment Inquiries - e-mail our Customer Service Department at
customerservice@acipayonline.com or call
1-866-964-2552 for Customer Service assistance (Monday - Friday, 7:00am - 7:00pm ET). International Payments Inquiries -
1-703-653-2499
(Monday - Friday, 7:00am - 7:00pm ET)