This guide outlines the supported number types, required documents, and porting steps to ensure a successful number transfer in Lithuania.

Supported Number Types

⚠️ National and mobile number porting is not currently supported.

Ready to Port?
You can submit your request to our porting team using our International Porting Form.

If you have numbers from other countries, check Global Porting coverage for details.

Required Documents

Signed Letter of Authorization (LOA)
- Must be signed by the legal account holder or authorized representative
- LOA must include:
  - Local Lithuanian address
  - VAT number (for companies)
  - Business registration number (for companies)
- LOA template will be provided over email after submitting your request. You can proceed with the International Porting Form
Recent Invoice
- From your current service provider
- Must show the number(s) to be ported and account ownership
Hosting Requirement
- End-user address within the same area code as the number

Signed LOA
- Must be signed by an authorized representative
- Must include a Lithuanian address, VAT number, and business registration number
- LOA template will be provided over email after submitting your request. You can proceed with the International Porting Form
Recent Invoice
- Issued by your current toll-free service provider
- Must show number(s) and account details
Hosting Requirement
- Address of the end user within Lithuania

⚠️ Porting timelines may be delayed if submitted information does not match your current provider's records.

Submit Your Porting Request
Send your request to the CloudTalk Porting Team to begin the process.
Initial Review
Cloudtalk team'll verify number portability and confirm the next steps.
Documentation Collection
Complete and sign the LOA (Letter of Authorization), and provide a recent invoice from your current telecom provider.
Submission to Carrier
CloudTalk submits your request to our partner carrier, who then forwards it to your current provider.
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.

Issue	How to Fix It
LOA not signed or incomplete	Ensure the LOA is fully completed and signed by an authorized representative
Missing or incorrect VAT number	Confirm VAT is listed correctly and matches registration records
Mismatched address or account details	Ensure LOA and invoice details match provider’s records exactly
Invoice missing number(s)	Provide a recent invoice clearly listing the number(s) to be ported
Incomplete hosting documents	Include full Lithuanian address within the required geographic zone