Contacts

onecard helpline
Tel: 0870 0101 152 (+44 1268 508019 outside UK) (Mon-Fri 8am-6pm; Sat 9am-1pm)
Minicom: 1800 201 733
Fax: 0845 878 9755 (Customer Services)
Fax: 0845 878 9798 (New Accounts)

onecard customer services
National Westminster Bank plc
Commercial Card Division
Cards Customer Services
PO Box 5747
Southend-on-Sea
SS1 9AJ

Lost and Stolen Cards (24 hrs)
If your card has been lost or stolen
Tel: 0870 6000 459
Tel: +44 1268 500 813 (outside UK)
Minicom: 0870 154 1192

Fraud enquiries
If you encounter a fraud security check, please call our helpline:
Tel: 0845 300 4350 (24hrs)
Tel +44 1268 508020 (24hrs)

Insurance helplines
ACE Assistance – onecard Gold cardholders only
Tel: 020 8763 4850 or +44 20 8763 4850 (from outside the UK - open 24hrs)
Please quote the onecard travel insurance policy number: 51UK453391.

ACE Insurance Claims Helpline – onecard Standard and Gold cardholders
Tel: 0845 841 0058 (Mon-Fri, 9am-5pm)
Tel: +44 1293 725 820 (from outside the UK)

Emergency card replacement and cash advance
For emergency card replacement and cash advance whilst abroad, please contact MasterCard emergency services.

Card Protection Plan
Contact numbers for existing policy holders:
Commercial card protection: 0844 848 5281
Identity theft protection: 0844 848 2942

* For 084/087 numbers, max call charge from a BT landline is 10.4p plus up to 7.6p per minute. Business rates and calls from other networks may vary. Calls may be recorded.

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