Guidelines

Austria (AT)

Locale Summary
Locale name	Austria
ISO code The International Organization for Standardization two character representation for the given locale.	AT
Region	Europe

Numbers Summary
Mobile Prefixes	+436
Toll-Free Prefixes	+43800
National Prefixes	+43720

Austria: Local Numbers

Requirements for Individuals

Information required	Documentation required	Acceptable Documentation One of the following
Name	Proof of Identity	Government-issued ID Passport Bank confirmation of identity
Address 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.	Proof of Local Address	Government-issued ID showing matching address Utility bill Tax notice Rent receipt Title deed
Academic Degree Optional: EU or EEA countries only	No documentation required
Date of Birth	No documentation required

Requirements for Businesses

Information required	Documentation required	Acceptable Documentation One of the following
Business Name	Proof of Identity	Excerpt from company book or registration
Business Address 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.	Proof of Local Address	Excerpt from company book or registration showing matching address Utility bill Tax notice Rent receipt Title deed
Name of Authorized Representative	Proof of Identity	Government-issued ID Passport Bank confirmation of identity

Austria: Mobile, National Numbers

Requirements for Individuals

Information required	Documentation required	Acceptable Documentation One of the following
Name	Proof of Identity	Government-issued ID Passport Bank confirmation of identity
Address Must be within Austria	Proof of Austrian Address	Government-issued ID showing Austrian address Utility bill Tax notice Rent receipt Title deed
Academic Degree Optional: EU or EEA countries only	No documentation required
Date of Birth	No documentation required

Requirements for Businesses

Information required	Documentation required	Acceptable Documentation One of the following
Business Name	Proof of Identity	Excerpt from company book or registration
Business Address Must be within Austria	Proof of Austrian Address	Excerpt from company book or registration showing Austrian address Utility bill Tax notice Rent receipt Title deed
Name of Authorized Representative	Proof of Identity	Government-issued ID Passport Bank confirmation of identity

Austria: Toll-Free Numbers

Requirements for Individuals

Information required	Documentation required	Acceptable Documentation One of the following
Name	Proof of Identity	Government-issued ID Passport Bank confirmation of identity
Address Must be within Austria	No documentation required

Requirements for Businesses

Information required	Documentation required	Acceptable Documentation One of the following
Business Name	Proof of Identity	Excerpt from company book or registration
Business Address Must be within Austria	No documentation required
Name of Authorized Representative	Proof of Identity	Government-issued ID Passport Bank confirmation of identity

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.