For technical support, billing and account enquiries, please 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 may also be able to manage your orders, services and tickets, quickly and easily online via Colt Online.Visit Colt Online »

United Kingdom

Technology Customer Service
0800 358 3999 / +44 203 140 2185
TechnicalSupport.UK@colt.net

Billing and account enquiries
0800 358 3999 / +44 203 140 2185
CustomerServiceEnquiries@colt.net

Austria

Technology Customer Service
0800 880 990 /+ 43 1 20 500 500
TechnicalSupport.AT@colt.net

Billing and account enquiries
0800 880 990 /+ 43 1 20 500 500
CustomerServiceEnquiries@colt.net

Belgium

Technology Customer Service
0800 507 01 /+ 32 2 790 16 16
TechnicalSupport.BE@colt.net

Billing and account enquiries
0800 507 01 /+32 2 790 16 29
CustomerServiceEnquiries@colt.net

Denmark

Technology Customer Service
+ 45 70 21 23 20
TechnicalSupport.DK@colt.net

Billing and account enquiries
+ 45 70 21 23 20
CustomerServiceEnquiries@colt.net

France

Technology Customer Service
0800 948 888 / + 33 1 709 95 600
TechnicalSupport.FR@colt.net

Billing and account enquiries
0800 948 888 /+ 33 1 709 95 600
CustomerServiceEnquiries@colt.net

Germany

Technology Customer Service
0800 18 222 33 / + 49 69 56606 9000
TechnicalSupport.DE@colt.net

Billing and account enquiries
0800 111 1230 / + 49 69 56606 9680
CustomerServiceEnquiries@colt.net

Ireland

Technology Customer Service
1800 944040 / + 34 93 5502568
TechnicalSupport.IE@colt.net

Billing and account enquiries
1800 944040 / + 34 93 5502568
CustomerServiceEnquiries@colt.net

Italy

Technology Customer Service
192090 / + 39 0289634895 (From abroad only)
TechnicalSupport.IT@colt.net

Billing and account enquiries
192090 / + 39 0289634895 (From abroad only)
CustomerServiceEnquiries@colt.net

Netherlands

Technology Customer Service
0800 265 8112 / +31 20 888 2112
TechnicalSupport.NL@colt.net

Billing and account enquiries
0800 265 8112 / +31 20 888 2112
CustomerServiceEnquiries@colt.net

Portugal

Technology Customer Service
808 780 222 / + 351 211 200 222
TechnicalSupport.PT@colt.net

Billing and account enquiries
808 780 222 / + 351 211 200 222
CustomerServiceEnquiries@colt.net

Spain

Technology Customer Service
901 888400 / +34 93 5502714
TechnicalSupport.ES@colt.net

Billing and account enquiries
901 888400 / +34 93 5502714
CustomerServiceEnquiries@colt.net

Sweden

Technology Customer Service
+46 8781 8383
TechnicalSupport.SE@colt.net

Billing and account enquiries
+46 8781 8383
CustomerServiceEnquiries@colt.net

Switzerland

Technology Customer Service
0800 560 560 / + 41 58 560 1720
TechnicalSupport.CH@colt.net

Billing and account enquiries
0800 560 560 / + 41 58 560 1720
CustomerServiceEnquiries@colt.net

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