Need help?
1. Colt Online
Use Colt Online for the quickest, and easiest way to get support - streamline raising and support tickets for all support channels through our interactive portal.
2. Call us
Call any of our dedicated support lines. Our teams are available around the clock to give you the support you need, when you need it.
3. Email us
Simply enter your issue and country of origin, and we'll direct you to the best team possible to fix your issue over email.
Did you know?
You can use Colt Online for the quickest way to get support
With Colt Online, 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.
Want to learn more about Colt Online, or are having trouble finding what you need?
Try our Colt Online help site, where we answer many frequently asked questions, provide tutorials to help you manage your services, raise tickets, see planned works and manage your bills, with supporting videos. Alternatively, register for one of our regularly scheduled webinars:
Note: If you are based in Asia, you can also view our Colt Online Asia Guides.
Get phone support
Call our dedicated technical support teams
Find the right number for you to call by selecting your country below.
Europe
Technical Support
+0800 358 3999 (Toll-free) /
+44 207 862 6087 (Direct)
MarketPrizm and PrizmNet only
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Asia Service Desk
0800-068-8915 (Toll-free)
Technical Support
+0800 880 990 (Toll free)
+ 43 1 253 07 02 (Direct)
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Technical Support
+0800 507 01 (Toll free)
+32 2 790 16 29 (Direct)
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Technical Support
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Technical Support
+192 090
+39 0289634895(From abroad only)
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Technical Support
MarketPrizm and PrizmNet only only
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Technical Support
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Technical Support
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Technical Support
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Rest of the World
Asia Service Desk
+81-3-5617-2342 (International Dial-in Number)
1-800-0640854 (Toll-free)
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
10-800-852-1053 (Toll-free)
10800714926 (Mandarin & Japanese)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
10-800-152-1053 (Toll-free)
108001402937 (Mandarin & Japanese)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
800-903-246 (Toll-free)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
001-803-852-9359 (Toll-free)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
0120-525-135 (Toll-free)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
1-800-805-988 (Toll-free)
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
0800-77-0037 (Toll-free)
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
800-852-3528 (Toll-free)
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
00798-8521-9360 (Toll-free)
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Colt Asia Service Desk
+81-3-5617-2342 (International Dial-in number)
00801-855-942 (Toll-free)
+44(0)20 3481 9900
+44(0)800 358 1879 (Toll-free)
Colt Service Desk
+81-3-5617-2342 (International Dial-in number)
1-866-486-4540 (Toll-free: Mainland)
1-888-346-9110 (Toll-free: Hawaii)
+1 31 548 7388
+1 800 216 0048 (Toll-free)
How can we help you?
Our teams are available around the clock globally to help you get the support you need, when you need it.
To help you find the support you need, use our interactive support tool adjacent. Just enter in what you're looking for, and what country you are enquiring about, and we'll direct you to where you need to go.
When reaching out without accessing Colt Online, 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
