International Customers?

Find Citibank information for the countries we serve.

Credit Cards

Phone Numbers

  • Citi ® Consumer and College Student Cards

    Online Technical Assistance

    1-800-347-4934

    For help accessing your online Citi Consumer or College Student Card account.


    TTY: 1-800-325-2865

    CitiBusiness ® and Professional Cards

    Online Technical Assistance

    1-866-422-3091

    For help accessing Citi Online for your CitiBusiness or Professional credit card.


    TTY: 1-800-325-2865
  • Lost or Stolen Credit Cards or General Account Information

    1-800-950-5114
    TTY: 1-800-325-2865

    Outside the U.S. -- Call Collect

    1-605-335-2222
  • Internet Security Specialists

    1-888-285-9696

    Call us if you think you have received a fraudulent email or to report suspicious account activity.


    TTY: 1-800-325-2865
  • Credit Card Application Status

    1-888-201-4523
    TTY: 1-800-325-2865
  • Servicio al cliente español

    1-800-947-9100
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Note: TTY/TDD phone services for the hearing impaired.

Mailing Addresses

  • Citi Consumer Cards

    Payments by Regular Mail 1

    Citibank / Choice
    P.O. Box 183037
    Columbus, OH 43218-3051

    CitiBusiness® Cards and CitiBusiness® Card with Citi® ThankYou® Rewards

    Payments by Regular Mail 1

    CitiBusiness® Card
    P.O. Box 183051
    Columbus, OH 43218-3051
  • Overnight Delivery / Express Payments

    Citibank
    Attention: Payments Dept.
    1500 Boltonfield St.,
    Columbus, OH 43228

    Overnight Delivery / Express Payments

    CitiBusiness® Card
    1500 Boltonfield St.,
    Columbus, OH 43228
  • General Correspondence

    Citibank Customer Service
    P.O. Box 6500
    Sioux Falls, SD 57117

    General Correspondence

    CitiBusiness® Customer Service
    P.O. Box 6235
    Sioux Falls, SD 57117-6235
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1Citi® Cards
Crediting of Payments by Mail:
If we receive your payment in proper form at our processing facility by 5 p.m. local time there, it will be credited as of that day. A payment received there in proper form after that time will be credited as of the next day. Allow 5 to 7 days for payments by regular mail to reach us. There may be a delay of up to 5 days in crediting a payment we receive that is not in proper form or not sent to the correct address.

Proper Form:
For a payment sent by mail or courier to be in proper form, you must:
• Enclose a valid check or money order. No cash or foreign currency please.
• Include your name and last four digits of your account number on the front of your check or money order.
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