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
- New: Services contracted in Japan, Singapore, Hong Kong and South Korea can now be managed with Colt online. Features include; checking planned works, raising tickets and viewing orders.
Alternative support options
Details on other ways to contact us can be found in each country from the list. 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
Technical Support
0800 358 3999 / +44 207 862 6087
TechnicalSupport.UK@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Asia service desk
+1 800 064 854 (Toll free) / +81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Technical Support
0800 880 990 / + 43 1 253 07 02
TechnicalSupport.AT@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Technical Support
0800 507 01 / +32 2 790 16 29
TechnicalSupport.BE@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Asia service desk
+86 10 800 852 1053 (Toll free) / +81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Asia service desk
+86 10 800 152 1053 (Toll free) / +81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Technical Support
+ 45 70 71 25 99
TechnicalSupport.DK@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Technical Support
0800 948 888 / +33 1 709 95 600
TechnicalSupport.FR@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Technical Support
0800 182 2233 / +49 69 56606 9000
TechnicalSupport.DE@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Technical Customer Service
800 903 246 (Toll free) / +81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Asia service desk
+62 001 803 852 9359(Toll free) /+81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Technical Support
1800 944 040 / +353 1 536 9312
TechnicalSupport.IE@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Technology Customer Service
192 090 / +39 0289634895 (From abroad only)
TechnicalSupport.IT@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Asia service desk
0120 525 135 (Toll free) / +81 03 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Asia service desk
+82 00798 8521 9360 (Toll free) / +81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Asia service desk
+60 1 800 805 988(Toll free) / +81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Technical Support
0800 265 8023 / +31 20 798 0000
TechnicalSupport.NL@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Asia service desk
+64 0800 77 0037(Toll free) /+81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Technical Support
808 780 222 / +35 1 211 202 795
TechnicalSupport.PT@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Asia service desk
+65 800 852 3528 (Toll free) / +81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Technical Support
901 888400 / +34 91 7887520
TechnicalSupport.ES@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Technical Support
+46 8781 8383
TechnicalSupport.SE@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Technical Support
0800 560 560 / +41 58 560 1720
TechnicalSupport.CH@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net
Asia service desk
+886 00801 855 942 (Toll free) / +81 3 5617 2342 (Direct)
Asia-ServiceDesk@colt.net
Billing and account enquiries
Asia-Invoice@colt.net
Colt Online enquires
Asia-Coltonline@colt.net
Technical Support
+1 646 517 8398 / +1 877 803 7917 (Toll Free)
TechnicalSupport.UK@colt.net
Billing and account enquiries
CustomerServiceEnquiries@colt.net