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Sender ID registration in Ireland

What ComReg and the operators in Ireland require for SMS sender IDs, how long approval takes, the accepted formats and sending rules, and how OmniChannels.ai registers yours.

Registration
Required
Typical lead time
No published time (ComReg registry)
Alphanumeric sender ID
Yes
Regulator
ComReg

Short answer

Yes. Sender ID registration is required in Ireland (ComReg SMS Sender ID Registry (Decision D14/24); unregistered IDs are labelled "Likely SCAM"). Approval has no published processing time (ComReg registry). Alphanumeric IDs of 3–11 characters are accepted. OmniChannels.ai handles the filing across 3 operators and confirms current rules during onboarding.

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Sender ID rules in Ireland at a glance

RegulatorCommission for Communications Regulation (ComReg)
Registration requiredRequiredComReg SMS Sender ID Registry (Decision D14/24); unregistered IDs are labelled "Likely SCAM"
Typical lead timeNo published time (ComReg registry)
Alphanumeric sender IDYesLatin letters, 3–11 characters
Numeric long code / short codeSupported alongside alphanumeric sender IDs
Accepted formatsAlphanumeric, 3–11 characters (numeric long-code also supported)
Promotional sending hoursNo regulator-published window foundAgree sending hours with the operator and schedule promotional sends for the recipient's local daytime; transactional traffic runs 24/7.
Opt-inGDPR-compliant opt-in required. Double opt-in is the operator-preferred standard for marketing.
Opt-outSTOP keyword honoured network-wide. Opt-out is one-step and irreversible until the recipient re-consents.
Operators we reachVodafone Ireland, Three Ireland and Eir
Last reviewed1 October 2026Sources: ComReg, ComReg SMS Sender ID Registry, ComReg registry Q&A

From BroadNet's regulatory research, last reviewed 1 October 2026. Rules change: we confirm them for your sender ID and traffic during onboarding.

Official sources: ComReg · ComReg SMS Sender ID Registry · ComReg registry Q&A

How to register your sender ID in Ireland through OmniChannels.ai

Sender ID registration fees are passed through at cost. We confirm the documents and the current rules for your traffic during onboarding.

Check your sender ID for Ireland

Need the authorization letter?

Generate a ready-to-sign LOA or NOC for this country in English, Arabic or both. Free, and your details never leave your browser.

Generate your authorization letter

We handle the registration for you — talk to our team

  1. 1

    Choose and check your sender ID

    Pick a sender ID that matches your brand: Latin letters, 3–11 characters. Test it in the free sender ID checker first.

  2. 2

    Send us your company details and use case

    Tell us the legal entity, brand and what each sender ID will send (OTP, transactional or promotional). We confirm which supporting documents are currently needed.

  3. 3

    We file with ComReg and the operators

    We prepare and submit the application. Current process in Ireland: ComReg SMS Sender ID Registry (Decision D14/24); unregistered IDs are labelled "Likely SCAM".

  4. 4

    Approval and test messages

    Approval has no published processing time (ComReg registry). Once approved we send test messages on Vodafone Ireland, Three Ireland and Eir and check the sender ID displays correctly.

  5. 5

    Go live

    Send through the REST API, SMPP or campaigns. Schedule promotional sends for the recipient's local daytime. Opt-out handling is applied to every promotional message.

Common reasons a sender ID is rejected in Ireland

Run your proposed sender ID through the free sender ID checker, preselected for Ireland, before you apply.

Register your sender ID in Ireland

Send us your brand and use case. We file the sender ID for 3 operators, run the test messages and connect it to the same API, SMPP and campaign tools you use for every other market.

Register your sender IDBook a demo

Sender ID in Ireland: questions

Do I need to register a sender ID in Ireland?

Yes. ComReg SMS Sender ID Registry (Decision D14/24); unregistered IDs are labelled "Likely SCAM". We submit it for you and confirm the current requirements during onboarding.

How long does sender ID registration take in Ireland?

There is no published processing time (ComReg registry). We confirm the current timeline for your sender ID during onboarding.

Can I use an alphanumeric sender ID in Ireland?

Yes. Alphanumeric sender IDs are accepted: Latin letters, 3–11 characters. Accepted formats: Alphanumeric, 3–11 characters (numeric long-code also supported).

When can I send promotional SMS in Ireland?

There is no regulator-published window that we know of in Ireland. Agree sending hours with the operator and schedule promotional sends for the recipient's local daytime; transactional traffic runs 24/7.

What consent and opt-out rules apply in Ireland?

GDPR-compliant opt-in required. Double opt-in is the operator-preferred standard for marketing. STOP keyword honoured network-wide. Opt-out is one-step and irreversible until the recipient re-consents.

Who regulates SMS sender IDs in Ireland?

Commission for Communications Regulation (ComReg), together with the mobile operators (Vodafone Ireland, Three Ireland and Eir). Official sources: ComReg, ComReg SMS Sender ID Registry, ComReg registry Q&A.

Can I send from a numeric number or short code in Ireland?

Yes. Supported alongside alphanumeric sender IDs. Alphanumeric, 3–11 characters (numeric long-code also supported).

Related for Ireland

SMS pricing in IrelandCoverage by countryEstimate your SMS costSend time planner

Sender ID registration in nearby markets

Data: BroadNet regulatory research, reviewed 1 October 2026. URL: https://omnichannels.ai/sender-id/ireland/