Provision Kustomer Voice numbers in other locales

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Provision Kustomer Voice numbers in other locales

Last Update: Jan 2025 • Est. Read Time: 6 MIN

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Provisioning a phone number allows you to establish a local presence in specific regions, helping you connect with customers in a way that feels familiar and accessible. In this guide, we’ll walk you through the process of provisioning numbers in Australia, France, Germany, Italy, Mexico, and the United Kingdom (U.K.).

In this article, you’ll find requirements for each country's local, mobile, national, and/or toll-free numbers, along with necessary documentation to ensure a smooth setup.

Requirements for Australia

Below, we've outlined the necessary details for local, mobile, and toll-free numbers in Australia. Submit this form with the information below to provision an Australian number. For more information, see Twilio's guidelines.

Australia local (Voice only)

Here are the requirements for a local Australian number.

Information required	Verification
Business name	Must be the official business name as seen in your country registration
Business address	Must be within Australia; a PO Box is not acceptable where a local address is required.

Australia mobile (Voice and SMS-Capable)

You must provide the following documents to provision an Australian mobile number.

Information required	Documentation required	Acceptable documentation	Notes
Business name	Proof of identity	Commercial registry or equivalent
Business address	Proof of address	One of the following: Commercial registry or equivalent showing address Utility bill Tax notice Rent receipt Title deed	May be anywhere in the world.
Business ID number	Proof of business ID	Commercial registry or equivalent

Australia toll-free (Voice only)

You must provide the following documents to provision an Australian toll-free number.

Information required	Verification
Business name	No documentation required
Business address	No documentation required

Requirements for France

Below, we've outlined the necessary details for local and mobile numbers in France. Submit this form with the information below to provision a number in France. For more information, see Twilio's guidelines.

France mobile (Voice and SMS-Capable)

You must provide the following documents to provision a mobile number in France.

Information required	Documentation required	Acceptable documentation	Notes
Business name	Proof of identity	Excerpt from the commercial register (Extrait K-bis) showing name of Authorized Representative
Business address	Proof of French address	One of the following: Excerpt from the commercial register showing French address Utility bill Tax notice Rent receipt Title deed	Must be within France
Business Registration Number	Proof of business registration number	Excerpt from the commercial register (Extrait K-bis)
Name of Authorized Representative	Proof of identity	One of the following: Government-issued ID Passport Residence permit

France local (Voice only)

You must provide the following documents to provision a local French number.

Information required	Documentation required	Acceptable documentation	Notes
Business name	Proof of identity	Excerpt from the commercial register (Extrait K-bis) showing name of Authorized Representative
Business address	Proof of local address	One of the following: Excerpt from the commercial register showing local address Utility bill Tax notice Rent receipt Title deed	Must be within France. A PO Box is not acceptable where a local address is required.
Business Registration Number	Proof of Business Registration Number	Excerpt from the commercial register (Extrait K-bis)
Name of Authorized Representative	Proof of Identity	One of the following: Government-issued ID Passport Residence permit

Provisioning requirements for Germany

Below, we've outlined the necessary details for local, mobile, and national numbers in Germany. Submit this form with the information below to provision a German number. For more information, Twilio's guidelines.

Germany mobile (Voice and SMS-Capable)

You must provide the following documents to provision a German mobile number.

Information required	Documentation required	Acceptable documentation	Notes
Business name	Proof of identity	Excerpt from the commercial register (Handelsregisterauszug)
Business address	Proof of identity	Excerpt from the commercial register (Handelsregisterauszug) showing matching address	Must be within Germany
German VAT number	No documentation required
Business Registration Number	Proof of business registration number	Excerpt from the commercial register (Handelsregisterauszug) showing Business Registration Number

German local (Voice only)

You must provide the following documents to provision a German local number.

Information required

Documentation required

Acceptable documentation

Notes

Business name

Proof of identity

Excerpt from the commercial register (Handelsregisterauszug)

Business address

One of the following:

Excerpt from the commercial register (Handelsregisterauszug) showing a local address
Trade license (Gewerbeanmeldung) showing local address

Must be within the locality or region covered by the phone number’s prefix. A PO Box is not acceptable where a local address is required.

Germany national (Voice only)

You must provide the following documents to provision a German national number.

Information required

Documentation required

Acceptable Documentation

Notes

Business name

No documentation required

Excerpt from the commercial register (Handelsregisterauszug)

Business address

No documentation required

One of the following:

Excerpt from the commercial register (Handelsregisterauszug) showing German address
Trade license (Gewerbeanmeldung) showing German address

Must be within Germany

Requirements for Italy

Below, we've outlined the necessary details for local and toll-free numbers in Italy. Submit this form with the information below to provision a number in Italy. For more information, see Twilio's guidelines.

Italy local and toll-free (Voice only)

You must provide the following documents to provision a local or toll-free number in Italy.

Information required	Documentation required	Acceptable documentation	Notes
Business name	No documentation required
Business address	Proof of address	One of the following: Business registry showing local address Utility bill Tax notice Rent receipt Title deed	For local: Must be within the locality or region covered by the phone number's prefix. A PO Box is not acceptable where a local address is required. For toll-free: May be anywhere in the world.
VAT (or Business Registration ID, if VAT is unavailable)	No documentation required
Name of Authorized Representative	Proof of identity	One of the following: Government-issued ID (must include the ID number, issuing authority, and issue date) Passport (must include the ID number, issuing authority, and issue date)
Date of Birth of Authorized Representative	No documentation required
Place of Birth of Authorized Representative	No documentation required
Fiscal Code of Authorized Representative	No documentation required		Tax ID or equivalent, such as Social Security Number in the US.
Nationality of Authorized Representative	No documentation required

Requirements for Mexico

Below, we've outlined the necessary details for local, mobile, and toll-free numbers in Mexico. Submit this form with the information below to provision a number in Mexico. For more information, see Twilio's guidelines.

Mexico mobile, local (Voice and SMS-capable), and toll-free numbers

Here are the requirements for a local, mobile, and toll-free number in Mexico.

Information required

Documentation required

Acceptable documentation

Notes

Business name

Proof of identity

Business registration

Business address

Proof of local address

One of the following:

Business registration showing local address
Recent utility bill
Recent government communication

Must be within locality or region covered by the phone number's prefix; a PO Box is not acceptable where a local address is required.

Requirements for Spain

Below, we've outlined the necessary details for local and mobile numbers in Spain. Submit this form with the information below to provision a number in Spain. For more information, see Twilio's guidelines.

Spain local (Voice only) and mobile (Voice and SMS capable)

You must provide the following documents to provision a local or mobile number in Spain.

Information required	Documentation required	Acceptable documentation	Notes
Business name	Proof of Identity	Business registration
Business address	Proof of address	One of the following: Business registration showing address Utility bill Tax notice Rent receipt Title deed	For local: Must be within the locality or region covered by the phone number's prefix. A PO Box is not acceptable where a local address is required. For mobile: Must be within Spain.
Spanish Fiscal Identification Number CIF (Código de Identificación Fiscal)	Proof of Spanish Fiscal Identification Number	Business registration

Requirements for the UK

Below, we've outlined the necessary details for local, mobile, and national numbers in the UK. Submit this form with the information below to provision a UK number.

UK mobile (Voice and SMS-Capable)

You must provide the following documents to provision a UK mobile number.

Information required	Documentation required	Acceptable documentation	Notes
Business name	Proof of identity	Excerpt from the commercial register	Documentation is required for businesses not using a UK Companies House Registration Number
Business address	No documentation required		Must be a valid address from anywhere in the world.
Registration authority	Proof of identity	Excerpt from the commercial register	Non-profit organizations (charitable companies) not registered with the UK Charity Commission should provide Twilio with a registration certificate or tax document. Documentation is required for businesses not using a UK Companies House Registration Number
Business Registration Number	Proof of business registration number	Excerpt from the commercial register (Handelsregisterauszug) showing Business Registration Number	(Documentation is required for businesses not using a UK Companies House Registration Number)
Website address	No documentation required
Emergency Address (if different from Business Address)	No documentation required		(Must be a valid address from anywhere in the world.)
Authorized Representative’s Name			(Authorized representative should be a senior person in the company responsible for phone numbers.)
Authorized Representative’s Phone Number			(Must be a valid mobile number only where the customer can be reached. This cannot be a number that you've acquired from a CPaaS provider such as Twilio.)
Authorized Representative’s Work Email

UK local (Voice only) and national (Voice only)

You must provide the following documents to provision a UK local or national number.

Information required	Documentation required	Acceptable documentation	Notes
Business name		Excerpt from the commercial register
Business address	No documentation required		Must be a valid address from anywhere in the world.
Registration authority		Excerpt from the commercial register	Non-profit organizations (charitable companies) that are not registered with the UK Charity Commission should provide Twilio with a registration certificate or tax document.
Business Registration Number		Excerpt from the commercial register
Website address	No documentation required
Emergency Address, if different from Business Address	No documentation required		Must be a valid address address in the UK.
Authorized Representative’s Name	No documentation required		Authorized representative should be a senior person in the company who is responsible for phone numbers.
Authorized Representative’s Phone Number	No documentation required		Must be a valid mobile number only where the customer can be reached. This cannot be a number that you've acquired from a CPaaS provider such as Twilio.
Authorized Representative’s Work Email	No documentation required

Phone Number Regulations: Twilio's full list of local regulations by country

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