If you have questions regarding your brokerage account or are a prospective client, please first visit IBKR Support on our website. Institutions can visit the dedicated IBKR Support section for institutions.
The toll free number 00800 42 27 65 37 is an international toll free number which you can use from any landline phone.
Note: since there is no country involved you will not be able to use this number with Skype. Please either call us directly at 0041 41 726 95 00 using Skype or call the toll free number from a landline phone.
Find worldwide Client Services phone numbers on the IBKR website.