Use Colt Online for the quickest way to get support. You can:

  • Obtain service information and raise tickets for technical support
  • Update billing details and raise account enquiries
  • Track and manage orders

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Alternative support options

Details on other ways to contact us 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

Services ordered in Asia are currently not available in Colt Online


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

Billing and account enquiries