Contact us
For any information or question concerning i-bank Simple Pay Service, you can contact us in the following ways:
Call us at 181818 from a landline or mobile phone from anywhere in Greece or at +30 210 48 48 484 from abroad, 24/7 (charge at the rates applied by the phone provider)
Fill out the Contact Form
Send us an e-mail at
Mail your letter to:
National Bank of Greece:
Contact Center Sector
Customer Services Subdivision
125 Thessalonikis str, 183 46 Athens
If there is any issue regarding the services we provide or if you want to submit comments, suggestions or complaints, please contact NBG’s Customer Services Governance:
Call us at 800 11 88988 (for calls from a landline within Greece) or
+30 210 48 06 100 (for calls from a mobile phone or abroad)
Monday to Friday, 8:00 to 16:00
(charge at the rates applied by the phone provider)
by filling out the electronic Form for submission of comments, suggestions or complaints
by sending an e-mail to
by sending a letter or a printed form, available at the Branches of our Bank,
by regular mail to:
National Bank of Greece
Customer Service Governance Department
30 Omirou str, 106 72 Athens
or by fax to: +30 210 33 47 740
A member of our Customer Service team will look into your case and answer you within no more than 10 business days. If more time is required, you will be informed accordingly.

Contact the NBG Ombudsman. The NBG Ombudsman is a pioneering service set up by NBG, for the purpose of protecting the rights of its customers, with a view to facilitating amicable settlement of any disputes between the customer and the Bank.

You can contact the NBG Ombudsman, before judicial or other arbitration proceedings have been initiated, in the following ways:

by sending the completed Contact Form or your letter by registered mail or courier to:
The NBG Ombudsman
("THE ETHNIKI" Hellenic General Insurance Co, Building B')
103-105 Syngrou Ave., 117 45 Athens, Greece
by fax to +30 210 90 07 505
or, by e-mail to

The NBG Ombudsman (tel. +30 210 90 07 500) will contact you directly on receiving your communication.

Contact in writing, within 30 days of receiving the Bank’s response, the "Hellenic Ombudsman for Banking-Investment Services", at:

Hellenic Ombudsman for Banking-Investment Services
1 Massalias str, 106 80 Athens, Greece

The "Hellenic Ombudsman for Banking and Investment Services" is a non-profit entity under private law. It was formed as a result of the merger of the Banking Ombudsman and the Investment Ombudsman and has been in operation since 1 July 2005, its goal being to consider and examine fairly, impartially and transparently disputes arising from the provision of banking and investment services with a view to proposing amicable settlement.

For more information please visit the Ombudsman for Banking-Investment Services website at