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International Dialing & SMS

Some numbers are forbidden at a system level by Tropo and cannot be enabled for any account. Examples are 911 for the US Emergency, 44999 for UK Emergency, high-fraud premium rate number ranges, and some identity-verification services that use phone numbers to establish new accounts.

In order to dial a number, it needs to be in the following format (this example is for the Netherlands with the country code 31):

+31105550100

There is no need to include a local dialing code as you'd use when making an international call from your phone. For example, when using a mobile phone, a US caller needs to dial 011 before a number to dial internationally. A mobile caller in the UK needs to dial 00 before the number. Neither of these are needed, you can simply dial the country code an the number.

The pricing for production calls to any destination in the world are listed on our pricing page.


International Phone Numbers

Tropo offers numbers in 13 countries:

  • Belgium: Local and Toll Free numbers with voice. Mobile numbers with text messaging. Address verification is required.
  • Denmark: Local and Toll Free numbers with voice. Mobile numbers with text messaging.
  • Finland: Local and Toll Free numbers with voice.
  • France: Local and Toll Free numbers with voice. Address verification is required.
  • Germany: Local and Toll Free numbers with voice. Mobile numbers with text messaging. Address verification is required.
  • Ireland: Local and Toll Free numbers with voice. Mobile numbers with text messaging. Address verification is required.
  • Italy: Local and Toll Free numbers with voice.
  • Netherlands: Local and Toll Free numbers with voice. Address verification is required.
  • Portugal: Local and Toll Free numbers with voice.
  • Spain: Local and Toll Free numbers with voice. Mobile numbers with text messaging.
  • Sweden: Local and Toll Free numbers with voice. Mobile numbers with text messaging.
  • United Kingdom: Local and Toll Free numbers with voice. Mobile numbers with text messaging.
  • United States of America: Local and Toll Free numbers with voice and text messaging.

Access to phone numbers in some countries is limited by local laws.

To get a phone number in France, Germany, Ireland, the Netherlands, or Portuga, you or your business must be located in that country. You'll need to contact Tropo Support with a home or office address in that country before we can give you a number.

For Germany you'll also need to provide documentation proving you live in the area that matches the phone number's country code and prefix (so if you request a number that begins with +49 221, you'll need to provide documentation proving you live in Köln, Germany). We accept utility bills, an identification document (like a driver's license), a business license or a lease contract. We cannot accepts screen shots, business cards or letter head.


International SMS

Tropo applications can send SMS messages to any number in the world if the application has an attached SMS-enabled number. Applications with SMS-enabled numbers can also receive SMS messages from international senders.