Instant Top Up.

Looking to top up your phone? Learn more about Ways to Top Up.

The following terms and conditions (“Terms”) apply to Three’s instant Top Up Service (the "Service") and are in addition to and form part of the terms of the Three Services and My3 that are contained in the Small Print (provided with your SIM card and also available at In the event of any conflict, these Terms shall prevail. Capitalised terms in these Terms have the same meaning as used in the Glossary of Terms contained in the Small Print, unless specifically defined in these Terms.

This Service enables Three prepay customers to directly add credit (“Top Up”) via an eligible payment card to a Three device by visiting You must always provide your payment details, email address and mobile phone number and Top Up a Three prepay account. Once you have successfully provided your details for the Service, funds will be automatically deducted from your selected payment card and credited to the applicable Three prepay device when Top-Up is ordered through this Service. We will try to ensure the timely delivery of the Service. However we accept no responsibility for any failure or delay in the Service for any technical fault.

The minimum Top-Up amount allowed in one transaction is €10.00. The maximum Top-Up amount allowed in one or more transactions in any one consecutive 30 day period is €40.00. You may use the following types of payment to Top-Up a 3 account: (a) VISA  (b) MasterCard   (c) Laser or Credit/Debit card.  Top-Up credit is non-refundable and non-transferable.

Three operates this Service in conjunction with third party service providers, agents and contractors. You acknowledge and accept that 3 and its associated third parties must collect personal data, including without limitation, credit information, from you to register and use this Service. You acknowledge and consent to 3 and its associated third parties collecting, processing and disclosing your personal data, including for the purpose of providing this Service. Three reserves the right to suspend or terminate the Service or amend these terms and conditions at any time for any valid technical or commercial reason.