Porting Information
Voice services
To help keep things consistent when your switching to our services, number portability is available for both retail and wholesale services. If you wish to keep your existing numbers when using our Voice, VoIP or IN Services, you must follow the instructions listed below to bring these numbers over to the Colt network.
On this page, you will find all the information you need to do this, alongside country-specific information and other helpful resources.
Recent Updates
[Last Updated 05/09/25]
Global IN Porting Forms Updated
The Romanian LOA has now been added into the global IN section and an additional porting form for Bulgaria has been uploaded
General Resources
Please find country-specific process slides, porting forms (e.g. LOAs) and guidance documents in the folders below:
