Finland

Dialing Codes+358
Major CarriersElisa, Telia, and DNA (Telenor)
Message length160 characters
Support for Concatenated messageYes
Sender ID SupportedAlphanumeric, Longcode, Shortcode
Sender ID RegistrationSender ID Registration Required
Registration Time-
Support for Two Way SMSYes
Extra Information

Effective: 4 May 2026, every Sender ID must be authorized by Finnish operators.
Applies to:

  • Alphanumeric IDs
  • Longcodes (numbers)
  • Shortcodes

Prohibited Sender ID:

  • Not authorized by operators
  • Fake / spoofed (pretending to be brands, banks, gov)
  • Generic or unclear (e.g., “Info”, “Admin”)
  • Misleading names


Prohibited Content:

  • Fraud / phishing (fake links, scams)
  • Spam (no user consent)
  • Misleading messages
  • No opt-out in marketing SMS
  • Illegal or harmful content
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