Countries in 1st International group:
- Austria - fixed numbers
- The Azores islands - fixed numbers
- Albania - fixed numbers
- Alaska - fixed and mobile numbers
- Andorra - fixed numbers
- Armenia - fixed numbers
- Balearic islands - fixed numbers
- Belgium - fixed numbers
- Bosnia and Herzegovina - fixed numbers
- Vatican - fixed numbers
- Britain - fixed numbers
- Virgin Islands (USA) - fixed and mobile numbers
- Germany - fixed numbers
- Gibraltar - fixed numbers
- Greece - fixed numbers
- Denmark - fixed numbers
- Estonia - fixed numbers
- Ireland - fixed numbers
- Iceland - fixed numbers
- Spain - fixed numbers
- Italy - fixed numbers
- Canada - fixed and mobile numbers
- Canary Islands - fixed numbers
- Cyprus - fixed numbers
- Latvia - fixed numbers
- Lithuania - fixed numbers
- Liechtenstein - fixed numbers
- Luxembourg - fixed numbers
- Madeira island - fixed numbers
- Macedonia - fixed numbers
- Malta - fixed numbers
- Moldova - fixed numbers
- Monaco - fixed numbers
- Norway - fixed numbers
- Poland - fixed numbers
- Portugal - fixed numbers
- Romania - fixed numbers
- Russia - fixed numbers
- San Marino - fixed numbers
- USA - fixed and mobile numbers
- Slovakia - fixed numbers
- Slovenia - fixed numbers
- Serbia - fixed numbers
- Turkey - fixed numbers
- Ukraine - fixed numbers
- Hungary - fixed numbers
- Finland - fixed numbers
- France - fixed numbers
- Netherlands - fixed numbers
- Croatia - fixed numbers
- Montenegro - fixed numbers
- Czech Republic - fixed numbers
- Switzerland - fixed numbers
- Sweden - fixed numbers