Another Number is currently available in the United Kingdom for both iPhone and Android.

You can use Another Number when abroad however please be aware that you may incur roaming fees for this. It would be best to check with your mobile carrier with regards to this.

If you have an iPhone, there is also our Another Number Expat service which is available in a few countries, see here for more info:
https://www.thumbtel.com/another-number-expat-uk-mobile-number/