Guidelines

United Kingdom (GB)

Locale Summary
Locale name	United Kingdom
ISO code The International Organization for Standardization two character representation for the given locale.	GB
Region	Europe

Numbers Summary
Mobile Prefixes	+447
Toll-Free Prefixes	+44808, +44800
National Prefixes	+4433

United Kingdom: Local, National Numbers

Requirements for Individuals

Information required	Documentation required	Acceptable Documentation One of the following
Name	Proof of Identity	Government-issued ID Passport
Address Must be a valid United Kingdom address.	Proof of Address	Government-issued ID showing local address Utility bill Tax notice Rent receipt Title deed
Phone Number This must be a valid mobile number only where the customer can be reached. This cannot be a number which you've acquired from a CPaaS provider such as Twilio.	No documentation required
Email	No documentation required
Comments (Optional)	No documentation required

Requirements for Businesses

Information required	Documentation required	Acceptable Documentation One of the following
Business Name	No documentation required
Registration Authority	No documentation required
Business Registration Number	No documentation required
Website address	No documentation required
Business Address Must be a valid United Kingdom address.	No documentation required
*Authorized Representative’s Name**	No documentation required
Authorized Representative’s Phone Number This must be a valid mobile number only where the customer can be reached. This cannot be a number which you've acquired from a CPaaS provider such as Twilio.	No documentation required
Authorized Representative’s Work Email	No documentation required
Business Classification Direct Customer - My business uses Twilio to communicate internally or with our customers. Independent Software Vendor (ISV) Reseller, or Partner - My business uses Twilio in a product that I sell to my customers.	No documentation required
If you are an Independent Software Vendor (ISV), will you assign the Twilio phone numbers to your end customers? (Yes/No)	No documentation required
Comments (Optional)	No documentation required

*Authorized representative should be a senior person in the company who is responsible for Phone Numbers

United Kingdom: Mobile, Toll-Free Numbers

Requirements for Individuals

Information required	Documentation required	Acceptable Documentation One of the following
Name	Proof of Identity	Government-issued ID Passport
Address Must be a valid address. May be anywhere in the world.	No documentation required
Phone Number This must be a valid mobile number only where the customer can be reached. This cannot be a number which you've acquired from a CPaaS provider such as Twilio.	No documentation required
Email	No documentation required
Comments (Optional)	No documentation required

Requirements for Businesses

Information required	Documentation required	Acceptable Documentation One of the following
Business Name	No documentation required
Registration Authority	No documentation required
Business Registration Number	No documentation required
Website address	No documentation required
Business Address Must be a valid address. May be anywhere in the world	No documentation required
*Authorized Representative’s Name**	No documentation required
Authorized Representative’s Phone Number This must be a valid mobile number only where the customer can be reached. This cannot be a number which you've acquired from a CPaaS provider such as Twilio.	No documentation required
Authorized Representative’s Work Email	No documentation required
Business Classification Direct Customer - My business uses Twilio to communicate internally or with our customers. Independent Software Vendor (ISV) Reseller, or Partner - My business uses Twilio in a product that I sell to my customers.	No documentation required
If you are an Independent Software Vendor (ISV), will you assign the Twilio phone numbers to your end customers? (Yes/No)	No documentation required
Comments (Optional)	No documentation required

*Authorized representative should be a senior manager in the company who is responsible for Phone Numbers

For the benefit of all our customers, these guidelines are provided to help you comply with applicable requirements and to help ensure Twilio's platform remains compliant with global telecommunications ecosystem requirements. These guidelines represent our current understanding of common compliance requirements generally applicable to Twilio and its customers, and do not constitute legal advice. By posting these guidelines, Twilio makes no assurances regarding the legal compliance of your application built using our APIs. You are expected to understand and abide by all compliance obligations applicable to your specific application. You should check these pages regularly for updates as telecommunications ecosystem requirements continue to evolve and change, and the information below may be updated or changed without notice.