# PORTING INFORMATION

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.

{% embed url="<https://www.youtube.com/watch?v=yKfH5K2fmI8>" %}

### GENERAL RESOURCES

#### COLT PORTING DESK CONTACT ESCALATION MATRIX

Who to contact in the event of any issues affecting your service, sorted by country.

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#### PORTING MATRIX

Our information matrix for all types of ports available with us.

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#### COUNTRY PORTING COVERAGE (EUROPE)

Porting agreements that we have in place with carriers across Europe.

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### RECENT UPDATES

{% updates format="full" %}
{% update date="2026-02-26" %}

## PORTING MATRIX UPDATES

<table data-header-hidden><thead><tr><th valign="bottom"></th></tr></thead><tbody><tr><td valign="bottom"><p>The Porting Matrix has been updated with the follow changes: </p><ul><li>Updated additional information for South Korea (Global Geo)</li><li>Updated required documents &#x26; additional information for LU</li><li>Updated Port Out confirmation for Finland</li></ul></td></tr></tbody></table>
{% endupdate %}

{% update date="2026-01-06" %}

## MIGRATION TO NEW DOCS SITE

All porting information has now been migration to the new docs.colt.net site. Please use the feedback tools on this site to provide your feedback.
{% endupdate %}

{% update date="2025-09-05" %}

## GLOBAL PORTING FORMS

The Romanian LOA has now been added into the global IN section and an additional porting form for Bulgaria has been uploaded
{% endupdate %}
{% endupdates %}


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