International Porting Process

In order to port your number to Twilio, you agree to comply with the following instructions:

  • Submit your Porting request to To have a successful port, you must follow these steps:
  • STEP 1:  Please provide the following when you submit your porting request to Twilio:
    • The authorized user or owner’s first and last name.
    • A list of the number(s) you want to port.
    • The corresponding service address. This must be an actual physical address. PO Boxes are not valid addresses.
    • The country/type specific Letter of Authorization (LOA). Each country requires a different LOA.
    • A Customer Service Record (CSR).
    • A scanned (or electronic) copy of the most recent phone bill (within the last 30 days) that includes the account, owner/authorized user name, and address information for all the numbers you’d like to port.
    • Tip: Read the most common reason for rejections to avoid them.
  • STEP 2:  Porting Fees. If the items in Step 1 are complete and provided to Twilio, Twilio will provide you with the fees(s) you will be charged in order to have your number(s) ported to Twilio.  You must reply and inform Twilio if you accept and agree to pay the quoted fee(s) to port your number(s).   If you do not respond to the fee quote within three (3) business days, you hereby authorize Twilio to port your number(s) and agree to pay the fee(s) quoted by Twilio in connection with your porting request.  Note:  You will only be charged fees for the numbers that port to Twilio successfully.
  • STEP 3:  Twilio Approval of Porting Request. Upon receiving your approval for the porting fee(s) for which you will be charged, Twilio will review and approve your porting request within one (1) business day.
  • STEP 4: Carrier Approval of Porting Request. Upon submitting your approval to pay the porting fee(s) to Twilio, please: (i) do not close your account with your carrier and (ii) keep the numbers you wish to port active.
  • STEP 5: Your request will either be approved or rejected:
  • Approved: If approved, Twilio will send you an email of your porting date for when your number will be transfer to Twilio. Once your date has passed and you’ve verified the number has transferred to your Twilio project, you can begin using your number. Please configure your voice and SMS URLs in advance of the port date to ensure there is no disruption in the traffic that flows through your number(s) when your number(s) are transferred.
  • Rejected: If rejected, Twilio will send you an e-mail informing you that your porting request was unsuccessful.  A rejection can occur due to a variety of reasons, such as an incorrect PIN for an account, an address or zip code that doesn’t match the current carrier’s record, or a port request made by an unauthorized user on the account. Read more about common reasons for port request rejections here. Additionally, you may need to contact your current carrier to resolve the issue that caused your porting request to be rejected. Depending on your carrier’s porting requirements, this may add an undetermined amount of time to your porting request.
  • STEP 6:  Port Completed. Your number will be live with Twilio on your porting date.

If you have additional questions about the porting process, please review our FAQs.

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