What is the country code for Switzerland, and how is it used in international dialing?

The country code for Switzerland is +41. When dialing into Switzerland from abroad, you should use the format +41 followed by the Swiss number without the leading '0'. For example, an international caller would dial +41 21 345 67 89 for a Swiss landline.

How are phone numbers structured in Switzerland, and what are the different formats for various services?

Swiss phone numbers have a fixed length of 9 digits (excluding the country code) and follow a closed numbering plan. The general format for geographic numbers is 0XX XXX XX XX, and for mobile numbers, it is 07X XXX XX XX. Toll-free numbers are formatted as 0800 XXX XXX, and premium rate numbers follow the format 090X XXX XXX.

What are the dialing procedures for making domestic and international calls from Switzerland?

For domestic calls within Switzerland, you dial the full number including the national prefix '0'. For example, to call a landline, you would dial 021 345 67 89. For international calls from Switzerland, you dial '00' followed by the destination country code and the subscriber number (e.g., 00 49 30 12345678 for a call to Germany).

How does number portability work in Switzerland, and what should telecom systems consider?

Switzerland supports number portability for both mobile and fixed-line services, allowing users to retain their numbers when switching providers. Telecom systems should integrate a number portability lookup service to ensure accurate routing and billing, as the original number range may no longer indicate the current provider.

Who manages phone number allocation in Switzerland, and what standards are followed?

The Federal Office of Communications (OFCOM) is responsible for the allocation and management of phone numbers in Switzerland. The numbering plan adheres to ITU-T Recommendation E.164, ensuring international compatibility and standardization across global telecommunications systems.

What is the country code for Switzerland?

The country code for Switzerland is +41.

How many digits are in a Swiss phone number excluding the country code?

A Swiss phone number has 9 digits excluding the country code.

What is the format for Swiss landline numbers?

Swiss landline numbers are formatted as 0XX XXX XX XX.

What is the format for Swiss mobile numbers?

Swiss mobile numbers are formatted as 07X XXX XX XX.

What is the international dialing prefix for calls from Switzerland?

The international dialing prefix for calls from Switzerland is 00.

What is the national prefix used in Switzerland?

The national prefix used in Switzerland is 0.

Who regulates phone numbers in Switzerland?

Phone numbers in Switzerland are regulated by the Federal Office of Communications (OFCOM).

What is the regular expression for validating Swiss geographic numbers?

The regular expression for Swiss geographic numbers is ^0[2-5][0-9]{2} [0-9]{3} [0-9]{2} [0-9]{2}$.

What is the regular expression for validating Swiss mobile numbers?

The regular expression for Swiss mobile numbers is ^07[5-9][0-9]{2} [0-9]{3} [0-9]{2} [0-9]{2}$.

How do you dial a Swiss number from abroad?

To dial a Swiss number from abroad, use +41 followed by the Swiss number without the leading 0.

How do you make an international call from Switzerland?

To make an international call from Switzerland, dial 00, followed by the country code and the subscriber number.

What are Swiss toll-free numbers formatted as?

Swiss toll-free numbers are formatted as 0800 XXX XXX.

What is the format for Swiss premium rate numbers?

Swiss premium rate numbers are formatted as 090X XXX XXX.

What is the format for Swiss shared cost numbers?

Swiss shared cost numbers are formatted as 084X XXX XXX.

What type of numbering plan does Switzerland use?

Switzerland uses a closed numbering plan.

What should developers consider regarding number portability in Switzerland?

Developers should consider integrating a number portability lookup service for accurate routing and billing.

Understanding Phone Numbers in Switzerland

Quick Reference Guide

Country: Switzerland
Country Code: +41
International Prefix: 00
National Prefix: 0
Numbering Plan Type: Closed
Regulatory Authority: Federal Office of Communications (OFCOM)

Comprehensive Overview

Switzerland's telephone numbering plan is meticulously structured and adheres to international standards, ensuring efficient communication both domestically and internationally. This guide is tailored for telecom professionals, developers, and systems administrators seeking precise and current information on Switzerland's telecommunications framework.

Number Structure Explained

Switzerland employs a closed numbering plan in line with ITU-T Recommendation E.164, meaning all numbers, including area codes, have a fixed length.

General Number Format

Total Digits: 9 (excluding country code)
Format: 0XX XXX XX XX or 0XXX XX XX XX

Components:

Country Code: +41
National Destination Code (NDC): 2-4 digits
Subscriber Number: 6-7 digits

Examples:

Landline: 021 345 67 89
Mobile: 079 123 45 67

Detailed Number Formats

Below is a table detailing number formats for various services in Switzerland:

Service Type	Format	Example	Regular Expression
Geographic Numbers	`0XX XXX XX XX`	`021 345 67 89`	`^0[2-5][0-9]{2} [0-9]{3} [0-9]{2} [0-9]{2}$`
Mobile Numbers	`07X XXX XX XX`	`079 123 45 67`	`^07[5-9][0-9]{2} [0-9]{3} [0-9]{2} [0-9]{2}$`
Toll-Free Numbers	`0800 XXX XXX`	`0800 123 456`	`^0800 [0-9]{3} [0-9]{3}$`
Premium Rate Numbers	`090X XXX XXX`	`0900 123 456`	`^090[0-6] [0-9]{3} [0-9]{3}$`
Shared Cost Numbers	`084X XXX XXX`	`0842 123 456`	`^084[0-8] [0-9]{3} [0-9]{3}$`

Dialing Procedures

Domestic Calls

Landline to Landline: Dial 0 followed by the full number (e.g., 021 345 67 89).
Landline to Mobile: Dial 07X XXX XX XX (e.g., 079 123 45 67).
Mobile to Mobile: Directly dial 07X XXX XX XX (e.g., 079 123 45 67).

International Calls

Outgoing: Dial 00 followed by the country code and the subscriber number (e.g., 00 49 30 12345678 for Germany).
Incoming: International callers should dial +41 followed by the Swiss number without the leading 0 (e.g., +41 21 345 67 89).

Number Portability

Switzerland supports number portability for both mobile and fixed-line services, allowing users to retain their numbers when switching providers. This fosters competition and enhances consumer choice.

Telecom Operators and Number Ranges

Major telecom operators in Switzerland include Swisscom, Sunrise, and Salt. While specific number ranges are managed by OFCOM, they are not publicly disclosed.

ITU-T Standards Compliance

Switzerland complies with ITU-T Recommendation E.164, ensuring global compatibility and standardization across telecommunications systems.

Number Allocation and Management

The Federal Office of Communications (OFCOM) oversees the allocation and management of phone numbers in Switzerland, ensuring adherence to international standards and consumer needs.

Technical Considerations for Developers

Regular Expressions for Validation

Developers can use the following regular expressions to validate Swiss phone numbers:

// Geographic Numbers
/^0[2-5][0-9]{2} [0-9]{3} [0-9]{2} [0-9]{2}$/

// Mobile Numbers
/^07[5-9][0-9]{2} [0-9]{3} [0-9]{2} [0-9]{2}$/

// Toll-Free Numbers
/^0800 [0-9]{3} [0-9]{3}$/

// Premium Rate Numbers
/^090[0-6] [0-9]{3} [0-9]{3}$/

// Shared Cost Numbers
/^084[0-8] [0-9]{3} [0-9]{3}$/

Handling Number Portability

Consider integrating a number portability lookup service to ensure accurate routing and billing when dealing with Swiss phone numbers.

Recent or Upcoming Changes

As of the latest updates, no significant changes have been made to Switzerland's numbering plan since its last major revision in 2002.

Technical Restrictions and Special Cases

While Switzerland does not publicly document specific technical restrictions like golden numbers, all allocations must comply with OFCOM's regulations.

For the most current information on Switzerland's telecommunications regulations, visit the official OFCOM website.

Conclusion

Switzerland's telephone numbering plan is robust and internationally compliant, ensuring reliable communication. By understanding the formats, dialing rules, and regulatory environment, telecom professionals can optimize system performance and enhance user experience when working with Swiss phone numbers.