Ireland Short Code Best Practises


The following topics are discussed in this guide. Click a topic to skip directly to this information:

To apply for Irish Short Code please follow the guidelines here.

Ireland Short Code Content Restrictions

See the table below for the type of content that is or is not allowed in Ireland.

Please refer to Twilio’s AUP for additional content restriction details. 

Type of Message Content Allowed  Not Allowed
Adult   (error)
Alerts (tick)  
Gambling / Casinos   (error)
Illegal products or services   (error)
Malware   (error)
Marketing (tick)  
Multilevel trading   (error)
Notifications (tick)  
OTP (tick)  
Political causes / politicians   (error)
Promotions (tick)  
Religious   (error)
Sensitive data (end user)   (error)
Sexual content (explicit)   (error)
Spam / phishing   (error)
Special offers (tick)  
Third-party rights violations (copyrights, registered trademarks)   (error)

Other Irisih Short Code Restrictions

Type  Explanation
Time No restrictions (error)
  • 160-character limit per each message  (tick)
  • Concatenation only supported for MT, no for MO  (warning)
Required content No restrictions  (error)

Opt-In and Opt-Out Requirements

There is no specific regulation on opt-in process, but carriers can request evidence of opt-in at any time, so following these best practices is recommended:

  • Prior consent or right to opposition will be collected by means of a checkbox, either online or offline. Pre-checking the box as default is to be avoided at all times.
  • Advertising by SMS is possible, provided that people have explicitly agreed to be approached, at the time of collection of their mobile phone number.

Two exceptions to this principle:

  • If the person being prospected is already a client of the company and the prospecting concerns products or services similar to those already provided by the company.
  • If the prospect is not of a commercial nature (charitable, for example).

In both cases, the person must, at the time of collecting his telephone number:

  • be informed that their mobile phone number will be used for prospecting purposes,
  • to be able to oppose this use in a simple and free way.

Each message should:

  • specify the identity of the advertiser,
  • propose a simple way to oppose receiving new messages (for example, a non-premium phone number where it is possible to unsubscribe at the end of the message). 
  • In case of marketing purposes the opt-out must be well documented, users can opt out by SMS, email, sending a form, contacting brand. There must always be a way to opt out, and it must be documented. 

Opt-in and Opt-out processes must be very well documented by our customer in their Terms and Conditions. Opt-in and opt-out must be handled by our customers.

In case of any user complaints to carriers, you need to be able to demonstrate that the opt-in and opt-out processes have been documented and, if needed, provide clear evidence about how customers can opt out. Please refer to Twilio's Acceptable Use Policy for further information.

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