CloudTalk supports porting of local Singaporean numbers via SingTel. This guide outlines what you’ll need to prepare and what to expect during the process.
Initial Overview
1. Supported Number Types
Number Type | Example prefix |
Local | +65 6 |
⚠️ National, Mobile, and Toll-free portability is not supported in Singapore.
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 -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 | Request Fee | Per Number Fee |
Local | 27-30 business days | €30.00 | €100.00 |
⚠️ Timelines may vary if submitted details do not match your current provider’s records.
Required Documents For Number Porting
Typically in Singapore, the porting documents will need to be filled by the current service provider.
Check with your current provider to ensure if the porting documents need to be filled by you as the end user or by them as the losing service provider.
Signed SingTel LOA (Letter of Authorization)
Completed SingTel Singapore Portability Form - Both will be provided over email after submitting your request. You can proceed with the International Porting Form without attaching the LOA or Portability Form.
Most Recent Invoice from the Current Service Provider
Business registration from ACRA
Online database is called BIZfile. Local Singapore companies are able to download their own extract insided the portal for free.
Porting Process Overview
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.
Common Rejection Reasons
Issue | How to Fix |
Incomplete or unsigned SingTel LOA | Ensure the official SingTel LOA is fully completed and signed by an authorized representative |
Missing or incorrect SingTel Portability Form | Use the latest template provided by CloudTalk and fill in all required fields accurately |
Outdated or missing invoice | Submit an invoice from your current provider dated within the last 30 days, showing the number(s) to be ported |
Business registration not provided or invalid | Include a valid ACRA business registration that matches the LOA and invoice details |
Mismatched company name or service address | Ensure that the company name and address are identical across all submitted documents |
Premature submission without required documents | If submitting via the International Porting Form, ensure the SingTel LOA and Portability Form follow soon after via email. |
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:
Porting Pricing and Coverage - all countries where we offer porting
Country Specific Porting Guides - for our most requested countries
Have more porting questions? Contact our Porting team. We're always happy to help!