The country code of
Most Swiss telephone numbers have 7 digits preceded by a 2 digit area code:
To call CERN from abroad: 00+41-22-767-6111
Please note you need to dial 0 when calling another Swiss phone regardless of the area code:
To call CERN from another Swiss phone: 022-767-6111
The country code for
Most French telephone numbers have 10 digits preceded by a 3 digit area code.
To call a French number from another French phone: 04.50.xx.xx.xx
CERN PHONE SERVICES
Cern offers many telephone services. For more information CERN Telecom Services
All CERN phones have a 5 digit internal number that can be called
directly from outside by dialing 00+41-22-76xxxxx from abroad or 022-76xxxxx from
CERN GSM/Mobile Phones are 6 digit numbers in the 16xxxx form. You can call these directly from CERN phones. When calling from outside CERN dial country code if necessary and then dial 76-487-xxxx.
Making Phone Calls from CERN
0+ 022-xxxxxx for the
0+021-xxxxxx for the Vaud region
10+04 50 xx xx xx
If you are calling a destination from within CERN and are presented with a digit-driven “menu” where you are required to press certain digits, you need to dial 98 before entering the required digits, in order to disable the keypad functions of the CERN phone.
To make professional calls outside these 3 areas you need specific access right you can obtain by filling this form after getting your management agreement and give it to your department’s secretariat. They will give you a 4 digit PIN code that can be used as follows:
*4 + XXXX (pin code) + 10 + number
*4 + XXXX (pin code) + 0 + number
For any other country
*4 + XXXX (pin code) + 0 +00 (foreign country) +number
If you want to make an external call apart from your office, you can recover your rights of access in the following way:
press * 7 "your number of fixed phone" followed
your pin code " * 4 and then press 0 (or 10 for
*7 + 7xxx + yyyy + *4 + 0 + number
*7 + 7xxx + yyyy
+ *4 + 10 + number (for
For private calls you need to call the CERN switchboard at 76111.
You can set up a voicemail.
If you would like to forward your fixed phone do the following:
* 1 = forward all your calls
towards a mobile or a fixed phone
* 3 = forward all your calls if your fixed phone is occupied
* 6 = forward all your calls if no answer
* 9 = forward all your calls when your are busy or no answer
# 1 = cancel any of the above forwarding
If you are not in your office and you want to forward your calls from your office to your mobile or another telephone number, you do it remotely with another CERN fixed phone in the following way:
press * 7 +
"your fixed phone number” “followed by your pin code " “enter the
type of forwarding you wish to program (see question above)” “and the number to
which calls should be forwarded”.
Example, to forward all your calls from numbers 7xxxx to 16xxxx :
*7 + 7xxxx + yyyy + *1 + 16xxxx
Cancel your forward remotely = *7 + 7xxx + yyyy + #1