What is Switzerland's international dialing code, and its peg?

+41 → rat.

Dialling into Switzerland uses the ITU-assigned country code +41 (its neighbours run +33 France, +39 Italy, +43 Austria and +49 Germany). Peg 41 → rat (/r/·/t/): picture a rat scurrying up an Alpine phone line.

Go deeper:

• Telephone numbers in Switzerland — Wikipedia — the +41 country code and the Swiss numbering plan.