Simple access numbers across Europe and beyond. Service Access Numbers make your business more accessible across diverse markets and workforce. With Colt you can collect calls from 13 European countries. Then, with a single web interface, you can deliver them anywhere in the world.

You choose the best tariff for your customers; freephone, IN Geo, shared cost or premium rate.

Cost Effective & Flexible

By using Colt as your single service provider across Europe, you’ll simplify billing and reduce administrative overheads for all your calls.

We give a range of choices from routing to service packages and tariffs. You get to decide the best options for your business and your customers.


No matter how spread out your organisation is, you can have a simple point of control to manage all call traffic. And deliver them anywhere in the world.

We give you a suite of tools and automated reports to give you a complete view and control of how your Service Access Numbers are performing.

Through a single web interface, and easy to use online portal, you can make or schedule any changes based on how your international access numbers are performing. Our Pan-European network helps you maintain a presence in markets even where you don’t have offices or staff working.


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Case Study

Case Study: RCI Bank

With Colt INteractiv services and Colt IN Geo numbers, RCI Bank & Services ensures quality and business continuity…

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Meet Mo, Regional Director Service Management

“I enjoy the fact that there is plenty of customer interaction involved and I meet customers as often as I can. It’s also great to have a role that requires a high level strategic overview but also a high level of day to day delivery. I’m looking forward to developing further at Colt.”

Careers at Colt
Colt really cares about our business and always helps us to explore solutions to new challenges. Jouk Lier
CEO, BLU Networks