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To better assist you, our customer service representatives may ask you for some or all of the following information. This information is used solely for the purposes of looking up your payment and verifying your identity. For more information on our commitment to preserving your privacy and security, visit our Privacy Policy.
To Make A Payment
Already Made A Payment
  • • Name of the organization you are paying
  • • Amount to pay
  • • Contact e-mail address, telephone number
  • • Credit card or debit card number
  • • Social Security Number (or ITIN) or Employer Identification Number
  • • Name of the organization you are paying
  • • Amount paid
  • • Confirmation Number
  • • Credit card or debit card number
  • • Social Security Number (or ITIN) or Employer Identification Number
  • • Date of Payment

Please contact us via the channel listed below that best fits your area of concern:

  Pay By Phone - Toll-Free 1-888-UPAY-TAXsm
(1-888-872-9829) (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 Inquiries
Personal Taxes: Toll-Free 1-800-829-1040
Business Taxes: Toll-Free 1-800-829-4933

Federal Online Payment Inquiries - e-mail our Customer Service Department at customerservice@acipayonline.com or call 1-877-754-4420 for Customer Service assistance (Monday - Friday, 7:00am - 7:00pm ET).

International Payment Inquiries - 1-703-653-2499