Phone Capital One UK on the contact number 0843 504 7186 at 7p/min + access charge, regarding any issues with your bank account or credit card.
Alternatively you can also call Capital One on 03444 812 812 and 0115 993 8002 at local rate call costs. If calling from abroad, dial +44 115 993 8002 – international calls of course cost more.
This customer service helpline has trained personnel on hand to offer support aimed at resolving any enquiries you may have relating to Capital One’s financial products and services.
To write to Capital One’s head office the old-fashioned way, send your mail to this address:
Capital One Card Services,
PO Box 5283,
Capital One is a credit card provider with operations in the UK and abroad. Despite only having existed for 20 years, due to aggressive marketing tactics including TV advertisements and direct mail campaigns they have become one of most famous credit card companies in the UK.