What is your postal address for queries? | Customer Services | Barclaycard Help http://help.barclaycard.co.uk/brochure/customer_services/postal-address
Santander https://retail.santander.co.uk/LOGSUK_NS_ENS/BtoChannelDriver.ssobto?dse_operationName=LOGON
How to reclaim the money in your dormant account – Consumer http://www.bbc.co.uk/blogs/theoneshow/consumer/2009/01/15/how-to-reclaim-the-money-in-yo.html
Contact Us at Barclaycard http://www.barclaycard.co.uk/personal-home/customer-service/contact-list/index.html
Global Card Transfer http://www.americanexpress.com/globaltransfers/global_card_transfer_en.shtml?page=CM