Citi Customer Service Number, Support Phone & Contact Info

Looking for the best way to contact Citi? Find the official primary customer service phone number, support email, and direct contact details. Get fast help with account inquiries, billing, technical support, and general assistance from a live representative.

Editorial note: DialIndex curates publicly listed customer service contact details and links back to official company websites when available. Always verify time-sensitive details on the official source before calling.

About Citi & Customer Service

Citi is a preeminent banking partner for institutions with cross-border needs, a global leader in wealth management and a valued personal bank in its home market of the United States.

The main listed Citi customer service number on this page is +1 800 788 0002. DialIndex also organizes additional support contact details by department so users can choose the most relevant phone line before they call.

This page currently lists 10 support phone numbers across 10 departments and links back to citigroup.com when an official website is available. Always verify urgent or time-sensitive contact details on the official source.

Citi's Customer Service Phone Numbers

Citi has 10 customer service phone numbers across 10 departments for billing, technical support, account help, and general assistance.

Phone LinePhone
Accessibility Support (TTY for Banking)

TTY

Accessibility Support (TTY for Citi Cards)

TTY

Business Credit Cards

Direct line

Citi ThankYou Service Center

Direct line

Monday to Friday, 8am to 1am ET; Saturday and Sunday, 9am to 9pm ET

Citigold Service Center

Direct line

Credit Card Customer Service

General Support

Customer Service

General Support

General Banking Services

General Support

Identity Theft

Direct line

International Customer Service

Collect Call (Outside US)

Frequently Asked Questions (FAQ)

For general banking services, you can call Citi customer service at +18002851709.