--- title: "Sender ID registration in Ireland" description: "Register an SMS sender ID in Ireland: ComReg rules, no published processing time, opt-out wording, alphanumeric formats and rejection reasons." canonical: "https://omnichannels.ai/sender-id/ireland/" language: "en" updated: "2026-10-01" publisher: "BroadNet Technologies" brand: "OmniChannels.ai" --- # Sender ID registration in Ireland Canonical: https://omnichannels.ai/sender-id/ireland/ Language: en Publisher: OmniChannels.ai by BroadNet Technologies **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. ## Sender ID rules at a glance | Item | Details | |---|---| | Regulator | Commission for Communications Regulation (ComReg) | | Registration required | Required (ComReg SMS Sender ID Registry (Decision D14/24); unregistered IDs are labelled "Likely SCAM") | | Typical lead time | No published time (ComReg registry) | | Alphanumeric sender ID | Yes (Latin letters, 3–11 characters) | | Numeric long code / short code | Supported alongside alphanumeric sender IDs | | Accepted formats | Alphanumeric, 3–11 characters (numeric long-code also supported) | | Promotional sending hours | No regulator-published window found (Agree sending hours with the operator and schedule promotional sends for the recipient's local daytime; transactional traffic runs 24/7.) | | Opt-in | GDPR-compliant opt-in required. Double opt-in is the operator-preferred standard for marketing. | | Opt-out | STOP keyword honoured network-wide. Opt-out is one-step and irreversible until the recipient re-consents. | | Operators we reach | Vodafone Ireland, Three Ireland and Eir | | Last reviewed | 1 October 2026 (Sources: ComReg, ComReg SMS Sender ID Registry, ComReg registry Q&A) | Official sources: [ComReg](https://www.comreg.ie/), [ComReg SMS Sender ID Registry](https://www.comreg.ie/industry/electronic-communications/nuisance-communications/sms-sender-id-registry/), [ComReg registry Q&A](https://www.comreg.ie/industry/electronic-communications/nuisance-communications/sms-sender-id-registry/registry-qa/) ## How to register your sender ID in Ireland through OmniChannels.ai 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. **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. **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. **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. **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 - Too long or too short: sender IDs here are 3–11 characters. - Generic words instead of a brand, such as INFO, SMS, OTP, ALERT: regulators usually refuse them. - Arabic, accented or other non-Latin letters: this market lists Latin letters only. - Spaces or symbols such as _ & ! ( ): many operators strip or refuse them; use a hyphen or nothing. ## 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 - [Sender ID checker for Ireland](https://omnichannels.ai/tools/sender-id-checker/?country=IE) - [SMS pricing in Ireland](https://omnichannels.ai/sms-pricing/ireland/) - [Register your sender ID](https://omnichannels.ai/contact/) Last reviewed 2026-10-01. Rules are confirmed during onboarding.