My Account
Sign Up? / Forgot Password?

Quick Reference Help
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 (e.g. Internal Revenue Service, New York State, or Bexar County, TX).
  • 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 1-800-2PAY-TAXsm
(1-800-272-9829) (TTY:711)
(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 or call 1-866-964-2552 for Customer Service assistance (Monday - Friday, 7:00am - 6:00pm ET).

International Payments Inquiries - 1-703-653-2499

Note: Because our business deals with credit and debit card payments of taxes and fees, our customer service representatives may request personal information such as your Social Security Number (or ITIN) and credit or debit card number in order to assist you. We are committed to preserving your privacy and the security of your transaction. For more information, visit our Privacy Policy.