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Phone Calls from inside CERN

  • To make international phone calls use the one of the following prefixes. Different countries require a different number - try until you find one that works.
    • 0-0840-922-922
    • 0-0840-933-933
    • 0-0840-944-944
  • Calls to French border area
    • 10 + number

Send an SMS from CERN email account

  • Send email to Number@sms.switch.ch with international dialing prefix 00 (for example 0041765654808@sms.switch.ch )
  • Body of email is text of SMS
  • Note that this only works from a CERN email accout
  • More info here


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