How to Port International Numbers (LOA Requirements and Carrier Submission)

Overview

This guide outlines the process for porting international phone numbers into the EvoVoice system, powered by Twilio. It includes region-specific porting procedures for Australia, the Netherlands, and the United Kingdom, as well as required documents, submission steps, and best practices.

🌍 Supported Countries

• 🇦🇺 Australia

• 🇳🇱 Netherlands

• 🇬🇧 United Kingdom

Need to port numbers from other countries? Contact Evo Support for additional options.

📄 Required Documents for All Ports

1. ✅ Completed Letter of Authorization (LOA) – must be on company letterhead

2. 🧾 Most recent billing document (within the last 30 days)

3. 🗂️ Any country-specific supporting documentation

4. 🔐 Twilio Account SID

5. 🏢 Matching service address per regulatory rules

📋 LOA Requirements

Your LOA should include:

• Company name & registered address

• Numbers to be ported in E.164 format

• Authorized signatory’s full name, title, signature, and date

• Details that exactly match your current carrier’s records

✉️ Submission Instructions

Once you gather the required documents:

1. Submit them to Evo Support or your account manager.

2. Evo verifies and sends to Twilio for processing.

3. Upload documents to Twilio’s compliance portal:

   👉 Regulatory Bundles Portal

4. Use the Twilio Porting Form for each submission.

🇦🇺 Australia

• ⏱️ Timeframe: 4–6 weeks

• 💲 Fee: $11.00 USD per number

• 📄 Australia LOA – DOCX

• 📄 Australia LOA – PDF

• ✅ Must specify port type:

  • CAT A = simple port

  • CAT C = complex services (e.g., ISDN)

• 🧭 Australia Porting Guidelines

🇳🇱 Netherlands

• ⏱️ Timeframe: 2–4 weeks

• 💲 Fee: $6.00 USD per number

• 📄 Netherlands LOA – Terminate Existing Agreement (PDF)

• 📄 Netherlands LOA – Early Termination (PDF)

• 🧭 Netherlands Porting Guidelines

🇬🇧 United Kingdom

• ⏱️ Timeframe: 4–6 weeks

• 💲 Fee: $5.00 USD per number

• 📄 UK LOA – DOCX

• 📄 UK LOA – PDF

• 📧 Must include contact info of current provider

• 🧭 UK Porting Guidelines

✅ Best Practices to Avoid Delays

• Ensure company name and address match your carrier’s records.

• Provide recent phone bills even if optional.

• Double-check LOA signature, date, and completeness.

• Use the Twilio Bundles Portal for compliance uploads.