CERN's Switchboard is responsible for the following services:

  • Transfer of official calls
  • Transfer of private calls
  • Managing audio conferences
  • Providing general information
  • Second level of phone service support

Switchboard contact details

Phone number: 76111 (from CERN GSM or Lync), 111 (from CERN fixed line) or +41227676111 (from outside)

To schedule an audio conference: 77000 

Opening hours: Monday to Friday from 8:00am to 6:00pm  

Location: Bldg. 2/1-036

E-mail: standard.telephone@cern.ch

FAX: +41227676555

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