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Ways to reach out to us:

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Colt Online

Use Colt Online for the quickest, and easiest way to get support - streamlining raising and support tickets for all support channels

Business Phone Numbers

Give us a call

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.

Connected-voice-services 1

Find specific support

Use our interactive support tool to find the right support team to assist you. Simply enter your issue and country of origin, and we'll direct you to the best team possible to fix your issue.

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:

 

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)

Capital Markets

+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)

Technical Support

+0800 507 01 (Toll free)
+32 2 790 16 29 (Direct)

Technical Support

+ 45 70 71 25 99 (Toll free)

Technical Support

+ 0800 948 888
+33 1 709 95 600

Technical Support

+1800 944 040
+353 1 536 9312

Technical Support

+192 090
+39 0289634895(From abroad only)

Technical Support

0800 265 8023
+31 20 798 0000

Technical Support

808 780 222
+35 1 211 202 795

Technical Support

901 888400
/ +34 91 7887520

Technical Support

901 888400
/ +34 91 7887520

Technical Support

+0800 560 560 /
+41 58 560 1720

Rest of the World

Asia Service Desk

+81-3-5617-2342 (International Dial-in Number)
1-800-0640854 (Toll-free)

Colt Asia Service Desk

+81-3-5617-2342 (International Dial-in number)
10-800-852-1053 (Toll-free)

Colt Asia Service Desk

+81-3-5617-2342 (International Dial-in number)
10-800-152-1053 (Toll-free)

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)

Colt Asia Service Desk

+81-3-5617-2342 (International Dial-in number)
0800-77-0037 (Toll-free)

Colt Asia Service Desk

+81-3-5617-2342 (International Dial-in number)
800-852-3528 (Toll-free)

Colt Asia Service Desk

+81-3-5617-2342 (International Dial-in number)
00798-8521-9360 (Toll-free)

Colt Asia Service Desk

+81-3-5617-2342 (International Dial-in number)
00801-855-942 (Toll-free)

Colt Asia Service Desk

+81-3-5617-2342 (International Dial-in number)
1-866-486-4540 (Toll-free: Mainland)
1-888-346-9110 (Toll-free: Hawaii)

Download our mobile app

We have a simple aim: To make it really easy for you to do business with Colt. With this in mind, Colt Online has been developed to put you in control. With Colt Online the information you need about your Colt services is just a click away.

Use Colt Online on the go with our mobile application available on Android and iOS. Use the App to check your colt connectivity, create and manage support tickets, track the progress of your orders, view and download invoices and see your Colt Service Inventory. 

Download the app on either the Google Play or App Store, or by using the links below:

Programmers working cooperating at IT company developing apps

Get traditional support

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 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