Want to cancel your mobile contract with Three Ireland? There are several ways to do it – pick whichever is easiest for you. Tamgara helps you put your cancellation in writing, with the correct address for Three Ireland (Hutchison) Limited. Free, no account needed.
Official instructions for cancelling. The process itself usually requires you to sign in. Open the official cancellation page and follow the steps – you will usually need your online account.
Open Provider’s cancellation page →Official cancellations terms page; the PO Box 333 customer-services address on it is published for Three Ireland Services (Hutchison) Limited and is Three's stated address for written cancellation statements. Day-to-day cancellations are usually handled by phone on 1913. Last reviewed: August 2026. No guarantee – providers change their links frequently.
Fill in the cancellation letter with the correct address for Three Ireland (Hutchison) Limited, sign it in your browser or on your phone and send it as a signed PDF by email – no printer needed.
✍️ Create my Three Ireland cancellation letterFill in the cancellation here, sign it and download the PDF. Print it and send it – ideally by tracked or signed-for delivery – to the address below, so you have proof of postage.
💡 30 days' notice applies to bill-pay plans; within the minimum term an early-cessation charge applies. Cancellation must be an unequivocal statement, e.g. a letter by post. Number porting is initiated by your new provider.
Address as published by the provider. Last reviewed: August 2026. All details provided without guarantee.
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📠 You can send your cancellation by fax directly through Tamgara.
Enter your customer number and the date you want the contract to end in the cancellation letter, sign it digitally and send the PDF to Three Ireland (Hutchison) Limited, Three Customer Services, PO Box 333, Dublin 2 Dublin. With Tamgara the recipient details are already filled in.
Your details, the recipient, your customer or account number, the date, a clear statement that you are cancelling (with your preferred end date) and your signature. Also ask for written confirmation that the contract has ended.
Tamgara ✍️ · All cancellation templates · Cancellation letters by provider · Cancel your mobile contract (general template) · Provider missing? Suggest it · Legal & privacy
Free sample template – not a substitute for legal advice. Simple electronic signature (eIDAS). Trade marks and company names belong to their respective owners; Tamgara is not affiliated with Three Ireland.