en.wikipedia.org/wiki/Telephone_numbers_in_Switzerland

Telephone numbers in Switzerland are defined and assigned according to the Swiss telephone numbering plan administered by the Swiss Federal Office of ...

www.lonelyplanet.com/switzerland/telephone

Using your mobile phone in Switzerland and tipsd on local and international call costs.

www.expatica.com/ch/moving-to/swiss-mobile-phone-sim-card-operators_1028654.html

... content="text/html; charset=utf-8" /> <meta name="title" content="Comparing Swiss mobile phones, SIM cards and mobile operators | Moving to Switzerland ...

www.digitec.ch/en/s1/producttype/mobile-phones-24

Mobile phones, Cell phone, Cellular phone, Mobile, Smartphone, Handset, Featurephone, Telefon. Brands: Samsung, Huawei, Apple, Nokia, Xiaomi, Fairphone.

www.swisscom.ch/en/residential/mobile.html

Mobile subscriptions and tariffs for the best network: you enjoy the best prices for smartphones, mobile phones and tablets with a Swisscom mobile subscription.

www.expat.com/en/guide/europe/switzerland/10503-phones-in-switzerland.html

Most Swiss households have at least one landline while most Swiss nationals and residents have a mobile phone. So if you are moving to Switzerland, you will  ...

www.justlanded.com/english/Switzerland/Switzerland-Guide/Telephone-Internet/Mobile-phones

Mobile operators and networks in Switzerland: Switzerland has one of the highest mobile phone penetration rates in Europe and mobile phones.

www.cellularabroad.com/swisscellService.html

Cellular Abroad: Cell phone tips and information for many of the world's most popular travel destinations, including Switzerland.

www.tripadvisor.com/Travel-g188045-s605/Switzerland:Telephones.html

Inside Switzerland: Telephones - Before you visit Switzerland, visit TripAdvisor for the latest info and advice, written for travelers by travelers.