If you have a U.S. Government Travel Charge Card (GTCC), you can pay your bill in a number of ways:
- Online: Log in to your account (through Citibank) at https://home.cards.citidirect.com/CommercialCard/Cards.html?classic=2
- By Mail: Send payment to the following address: Citibank Government Card Services, PO Box 6575, The Lakes, NV 88901-6575. Be sure you mail in the remittance slip from your paper statement and/or have your account number written on the check.
- By Phone: The phone number is 1-800-200-7056 (Department of Defense) or 800-790-7206 (GSA and other agencies) to reach the automated account system.