For technical support or billing and account enquiries, please log into Colt Online and raise a ticket.

Alternatively, you can contact your local support team via phone or email. Details can be found in the table below.

Please ensure that you have the following information available:

  • for existing incidents – your incident (ticket) number
  • for technical enquiries – your circuit reference number, order number or service ID
  • for invoice or order enquiries – your OCN (customer) number

You can manage your orders, services and tickets, quickly and easily online via Colt Online.
Visit Colt Online »

Colt Online is not currently available for customers in Asia.* 


Technology Customer Service
192 090 / +39 0289634895 (From abroad only)

Billing and account enquiries
192 090 / +39 0289634895(From abroad only)