Contact someone at CERN
If you know the name of the person you wish to speak to at CERN, find their contact details in the CERN phonebook.
Otherwise try the CERN telephone directories and switchboard.
For general enquiries speak to reception on +41 (0)22 76 784 84 or +41 (0)22 76 776 76 or send them an email.
Opening hours: Monday - Friday from 8am to 5.45pm, Saturday 8.30am to 5.15pm.
Reception is closed on CERN holidays, which include Easter and Christmas. If you want to visit during official French and Swiss hollidays, it's better to phone beforehand to check if CERN is open.
+41 (0)22 767 34 32 or +41 (0)22 767 21 41
Fax: +41 (0)22 78 50247
CERN Press Office
CH-1211 Geneva 23
Journalists who have organized a visit to CERN will be welcomed at reception (building 33). Ask for the press office.
+41 (0)22 767 4052 or +41 (0)22 767 2757
Fax: +41 (0)22 767 8710
As CERN is on the border between France and Switzerland it has two official addresses, one French and one Swiss.
|For Switzerland||For France|
|Organisation Européenne pour la Recherche Nucléaire
F-01631 CERN Cedex
Want to apply to a job at CERN? See the CERN jobs website for all information about CERN careers and the application process.
If you already work at CERN and have a technical problem with any CERN service such as your CERN account, or internal administrative issues, please contact:
CERN Service Desk, Building 55. Open 7.30am - 6pm on work days, Geneva time.
Call them or raise a ticket through the Service Portal.
Problems with the CERN website? Contact the web team through the Service Portal (see above).