Three

<p>Three is a telecommunications and internet service provider operating in the UK and Ireland. It offers mobile phone services, including pay-as-you-go and contract plans, as well as mobile broadband and home broadband solutions.</p> <p>Three gift cards or top-ups are typically redeemed online or via the Three app. They can be used to add credit to a pay-as-you-go account, pay for monthly contract bills, or purchase add-ons like data bundles or international call minutes.</p>