Situated between Raleigh and nearby Durham is the Research Triangle Park, where more than 170 companies have outposts, including major corporations like EMC, Cisco and First Citizens National Bank.

FORBES: America's Fastest Growing Cities

"Many of the most vulnerable are denied access to a bank account in the first place, or unfairly penalised when they open one, " Teresa Perchard, Citizens Advice director of policy, said.

BBC: A cheque being written