About Capital One
Capital One is a large U.S.-based financial institution known primarily for its credit card products, consumer and business banking, and auto financing. It serves customers nationwide through online and mobile banking, call centers, and a network of branches and ATMs. Many of its back-office and payment-processing functions, especially for credit cards, are handled through operations centers including locations in and around Plano, Texas.
A charge or line item reading “COF Merchnt Bil Plano TX” on your card statement is usually related to merchant billing, account adjustments, or fees associated with a Capital One credit card or other Capital One account. “COF” is a common abbreviation for Capital One Financial, and “Merchnt Bil” often corresponds to merchant billing, refunds, dispute credits, or testing/verification transactions rather than a purchase at a physical retail store. In some cases this may show when a refund is processed, a disputed transaction is adjusted, or certain fees or interest are assessed.
If you have questions about a “COF Merchnt Bil Plano TX” charge, first log in to your Capital One online account or mobile app and review the transaction details, statements, and any associated merchant disputes. Compare the date and amount with recent account activity, refunds, or dispute filings. If you still don’t recognize it, contact Capital One customer service using the phone number on the back of your card or via secure message in your online account. They can explain the nature of the transaction, confirm whether it is a legitimate account-related posting, and help you file a dispute or fraud claim if necessary.