4z.com Sàrl

4z.com Sàrl is a telecommunication company specializing in Residential and Business VoIP services based in Lausanne, Switzerland. 

Communications costs proposed by 4z.com are without competition with traditional operators. We offer:

- Free Swiss telephone landline number
- Free telephone calls to 54 countries landlines and mobiles for Residential Customers
- Cheapest rates for Business customers
- And many other options...