The Capital One toll-free customer service phone number for retail branch banking accounts is 800-655-2265. The contact number for non-branch accounts is 888-810-4013. General correspondence is sent to Capital One Bank, P.O. Box 4199, Houston, TX 77210-4199.Continue Reading
Toll-free assistance is available via phone for current Capital One credit card customers at 800-227-4825. New customers can complete a credit card application over the phone by calling 800-695-5500.
As of 2015, Capital One provides an array of banking and credit card services to customers in the United States, Canada and the United Kingdom. The Fortune 500 company is headquartered in McLean, Virginia, and is one of the top 10 banks in the United States.Learn more about Banks