Sending SMS to Finland? See Telnyx guidance and requirements Learn more about Finland: SMS Guidelines with Telnyx.
Finland: SMS Guidelines
MCC: 244 Dial Code: 358 Upcoming regulation M28L requires pre-registering all sender IDs used in SMS traffic in Finland starting from May 4th, 2026. Messages containing URLs as part of their content are filtered by local operators. Valid URLs can be whitelisted to ensure delivery. Lottery and Gambling related traffic is not allowed and will be blocked by local operators. Please make sure to always refer to our Acceptable Use Policy for Messaging. For more information on URL whitelisting kindly reach out to alpha_sender_id@telnyx.com.