The country code for Switzerland is +41. This code is required when dialing into Switzerland from another country. Remember to drop the leading '0' from the Swiss number when dialing internationally.

To dial a Swiss landline within Switzerland, dial '0' followed by the full 9-digit number. For example, if the number is 021 345 67 89, dial exactly that.

You can validate a Swiss mobile phone number using the regular expression '^07[5-9][0-9]{2} [0-9]{3} [0-9]{2} [0-9]{2}$'. This regex ensures the number follows the correct 07X XXX XX XX format.

Swiss landline numbers follow the format 0XX XXX XX XX, totaling 9 digits after the initial '0'. The 'XX' represents the 2-digit area code followed by the 7-digit subscriber number.

Switzerland uses a closed numbering plan, conforming to ITU-T Recommendation E.164. This means all numbers have a fixed length, including area codes, ensuring consistent formatting and efficient routing.

Swiss landline area codes range from 020 to 099 although not all numbers within this range are currently in use. The area codes are typically followed by the format XXX XX XX. For specific area code information, OFCOM is the regulatory authority.

To call Switzerland from another country, dial the international prefix '00' (or '+'), followed by the Swiss country code '41', and then the 9-digit subscriber number without the leading '0'.

Yes, Switzerland supports number portability for both mobile and fixed-line services. This means you can retain your existing phone number even if you switch to a different telecom provider.

The Federal Office of Communications (OFCOM) is the regulatory authority responsible for allocating and managing phone numbers in Switzerland. They ensure compliance with international standards and consumer needs.

Toll-free numbers in Switzerland follow the format 0800 XXX XXX. They are easily recognizable and free to call from within the country.

Consider number portability when switching telecom providers in Switzerland. This process allows you to keep your current phone number, minimizing disruption for your contacts.

Major telecom operators in Switzerland include Swisscom, Sunrise, and Salt. These providers offer a range of mobile and fixed-line services, subject to regulation by OFCOM.

Switzerland adheres to the ITU-T Recommendation E.164, a global standard for international numbering. This ensures compatibility with telecommunication systems worldwide.