Official Payments
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  Pay By Phone
1-800-2PAY-TAXsm (1-800-272-9829)
(Automated Telephone Service – 24/7)

Federal Payment Inquiries
1-877-754-4413
(Automated Informational Interactive Voice Response Service – 24/7)

U.S. Internal Revenue Service Customer Service Inquires
For Personal Taxes call 1-800-829-1040
For Business Taxes call 1-800-829-4933

Online Payment Inquiries
e-mail our Customer Service Department at customerservice@acipayonline.com or call 1-800-487-4567 for Customer Service assistance (Monday - Friday, 8:00am - 6:00pm CT).

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

Privacy Policy | Legal Notices
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