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🇬🇷 Greece Number Porting Guide

A guide for porting your Greek numbers to CloudTalk

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Written by Valeriia Volobrinskaia
Updated yesterday

This guide outlines the supported number types, required documents, hosting rules, and porting timelines for Greek numbers.


Initial Overview

1. Supported Number Types

Number Type

Examples (prefixes)

Local

Varies by region (e.g., +30 21 for Athens)

Toll-Free

+30800XXX XXXX

2. Submit Your Request

You can request number porting using the International Porting Form.

Looking to port numbers from other countries? See Global Porting Coverage.

3. Submit LOA

You’ll need to submit a signed Letter of Authorization - LOA template will be provided over email after submitting your request. You can proceed with the International Porting Form.

(Other document requirements listed below.)

4. Timelines & Pricing

Number Type

Estimated Duration

Price

Local

8 business days

€30.00 per request, €10.00 per number

Toll-Free

8 business days

€30.00 per request, €10.00 per number

⚠️ Timelines may vary if submitted details do not match your current provider’s records.


Required Documents for Number Porting

Local Numbers

  1. Latest Invoice from your current service provider (Issued within the last 30 days, must list the number(s) to be ported)

  2. Signed LOA (Letter of Authorization)

  3. Company Registration Certificate

  4. Copy of LOA signatory’s valid Photo ID or Passport

  5. Proof of ownership — provide one of the following:
    ▫ Invoice listing all numbers being ported
    ▫ Official document or letter from the losing carrier confirming number ownership

Toll-Free Numbers

  1. Latest Invoice from your current provider

  2. Signed LOA

  3. Photo ID or Passport of the LOA signatory

  4. Proof of ownership - same conditions as for local numbers (invoice or attest from the losing provider)


Porting Process Overview

  1. Submit Your Porting Request
    Send your request to the CloudTalk Porting Team to begin the process.

  2. Initial Review
    Cloudtalk team'll verify number portability and confirm the next steps.

  3. Documentation Collection
    Complete and sign the LOA (Letter of Authorization), and provide a recent invoice from your current telecom provider.

  4. Submission to Carrier
    CloudTalk submits your request to our partner carrier, who then forwards it to your current provider.

  5. Approval or Rejection

    • If approved, Cloudtalk team will confirm the porting date (typically 2–4 business days in advance).

    • If rejected, Cloudtalk team will share the reason and guide you on how to correct and resubmit the request.


Common Rejection Reasons

Reason

Explanation

Mismatched information

Details on LOA, invoice, or ID don’t align

Incomplete documents

Missing ID, registration certificate, or proof of ownership

Invoice too old

Must be issued within 30 days of submission

Number not active

Number must remain active with your current provider


On Porting Day

  • The number will be activated in CloudTalk

  • Your previous provider will release and deactivate the number

  • You’ll begin receiving inbound calls through CloudTalk

  • CloudTalk billing begins the same day


Need Help?

For further assistance, please refer to:

Have more porting questions? Contact our Porting team. We're always happy to help!


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