How to contact us


For questions about or technical problems with CERN-related services, such as your CERN account, or for internal administrative issues, please contact:

CERN Service Desk, Building 33
Open 7.00 a.m. – 6.30 p.m. Geneva time, on working days

service-desk@cern.ch
+41 (0) 22 76 77777

Or raise a ticket through the Service Portal

For the Registration service, access cards, professional visitors cards, visitors’ cards with a guarantor, dosimetry distribution and biometry enrolment, please contact:

CERN Community Support Centre, Building 33
Open 7.00 a.m. – 6.30 p.m. Geneva time, on working days

service-desk@cern.ch
+41 (0) 22 76 77777

Or raise a ticket through the Service Portal

If you have a CERN account and you know the name of the person you wish to speak to, you can find their contact details in the CERN Phonebook.

Otherwise try the CERN telephone directories and switchboard on +41 (0) 22 76 761 11.

For media requests only:
+41 (0) 22 767 34 32 or +41 (0) 22 767 21 41
press.office@cern.ch

CERN Press Office
CH-1211 Geneva 23

Switzerland

Journalists who have organised a visit to CERN will be welcomed at reception (building 33). Ask for the press office.

Want to apply to a job at CERN? See the CERN jobs website for all information about CERN careers and the application process.

Queries or issues with the CERN website? Contact the web team through the Service Portal.


Opening hours:
Tuesday – Sunday from 8:30 a.m. to 5:30 p.m.

(closed on Mondays and on a few exceptional days; check opening days here)

For general enquiries:
+41 (0) 22 76 776 76
cern.reception@cern.ch (operating from Monday to Friday)

visits.service@cern.ch

To find out how to visit CERN, please see the following link.


As CERN is on the border between France and Switzerland it has two official postal addresses: