Discover has said accounts aren't linked to the new corporate owner, so Capital One branches and customer service can't help with Discover products.

Capital One completed its acquisition of Discover Financial Services on May 18 - Getty Images Capital One Financial Corp. announced Sunday it had completed its acquisition of Discover Financial ...

File photo by Peter Foley/EPA May 18 (UPI) --Capital One Financial services has completed its acquisition of former credit card rival Discover Financial Service, the companies announced on Sunday.

J. David Ake / Getty Images Capital One announced an agreement to acquire Discover Financial for $35.3 billion in an all-stock deal that would create a payments giant serving over 100 million ...