: If you do not use the online payment service for 18 months , you may be required to re-register your bank account information . Learn About the My Best Buy® Credit Card
: If you prefer not to log in, Citibank offers a One-Time Guest Payment option that requires identity verification through your phone number . Alternative Payment Channels best buy online bill pay service
: Call 1-888-574-1301 to use Citibank's automated system . There is no fee for using the automated system, though you should have your account number and a valid U.S. bank check ready . : If you do not use the online
: For a fast, mobile-first option, you can text PAY to 81964 from the phone number linked to your account . You must have a payment account already saved on the Citi website to use this feature . There is no fee for using the automated