New York City -- Target has joined with American Express to offer a co-branded prepaid card that customers can reload and use at any store that accepts Amex cards, according to the Minneapolis/St. Paul Business Journal.

Target said in an e-mailed statement that it is selling the cards in a test at 100 stores in four cities: Chicago, Denver, Miami and Washington, D.C., the report said. The company said there is no projected end date.