Area code 27 - Sion
Sion is located in Switzerland and has area code 27.
When calling a person or company located in Sion from abroad,
you must first type the plus sign (+) or double zero (00) followed by the country code and then the area code.
In this case +4127 followed by the phone number.
Local time and other details
Local time in Sion is 02:30. Sion has a population of 33 879 citiciens (2017-07-26).