| Country | Calling Code | % Correct |
|---|---|---|
| Netherlands | +{31} | 43%
|
| France | +{33} | 43%
|
| Germany | +{49} | 43%
|
| Greece | +{30} | 36%
|
| Belgium | +{32} | 36%
|
| Russia | +{7} | 36%
|
| Spain | +{34} | 29%
|
| Italy | +{39} | 29%
|
| Czech Republic | +4{20} | 29%
|
| Slovakia | +4{21} | 29%
|
| Austria | +{43} | 29%
|
| United Kingdom | +{44} | 29%
|
| Denmark | +{45} | 29%
|
| Sweden | +{46} | 29%
|
| Norway | +{47} | 29%
|
| Portugal | +3{51} | 21%
|
| Lithuania | +3{70} | 21%
|
| Latvia | +3{71} | 21%
|
| Estonia | +3{72} | 21%
|
| Ukraine | +3{80} | 21%
|
| Romania | +{40} | 21%
|
| Poland | +{48} | 21%
|
| Ireland | +3{53} | 14%
|
| Malta | +3{56} | 14%
|
| Hungary | +{36} | 14%
|
| Serbia | +3{81} | 14%
|
| Switzerland | +{41} | 14%
|
| Luxembourg | +3{52} | 7%
|
| Iceland | +3{54} | 7%
|
| Albania | +3{55} | 7%
|
| Finland | +3{58} | 7%
|
| Bulgaria | +3{59} | 7%
|
| Moldova | +3{73} | 7%
|
| Belarus | +3{75} | 7%
|
| Andorra | +3{76} | 7%
|
| Monaco | +3{77} | 7%
|
| Montenegro | +3{82} | 7%
|
| Kosovo | +3{83} | 7%
|
| Croatia | +3{85} | 7%
|
| Bosnia and Herzegovina | +3{87} | 7%
|
| North Macedonia | +3{89} | 7%
|
| Liechtenstein | +4{23} | 7%
|
| Vatican City | +3{70} | 0%
|
| San Marino | +3{78} | 0%
|
| Slovenia | +3{86} | 0%
|