Official Payments
  • En EspañolEn Español

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)
(Automated Telephone Service - 24/7)

Federal Payment Inquiries - Toll-free 1-877-754-4413
(Automated Informational Interactive Voice Response 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 1-800-487-4567 for Customer Service assistance (Monday - Friday, 8:00am - 6:00pm CT).

International Payments Inquiries - 1-703-653-2499
(Monday - Friday, 8:00am - 6:00pm CT)

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 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.

Copyright © 2024 ACI Payments, Inc. All Rights Reserved.
ACI Payments, Inc. is licensed as a money transmitter by the New York State Department of Financial Services, the Georgia Department of Banking and Finance, and by all other states and territories, where required. NMLS #936777. 6060 Coventry Dr, Elkhorn NE 68022. 1-800-487-4567
NACHA Certified Authorized IRS Payment Provider Since 1999