Three SIM Card

General

All pay monthly offers subject to security and credit check. Charges will apply for paper billing. Charges may also apply for non-Direct Debit payment. Promo codes cannot be used in conjunction with any other offer. Full Legals.

RPI+/CPI

Each year, your Pay Monthly airtime tariff will be adjusted according to a Fixed Annual Price Change (Three), RPI+ (O2) or Consumer Price Index (Vodafone) rate of inflation. Your bill will be adjusted in April by 4.5% (Three), or the rate announced in January (Vodafone) and February (O2) that year (plus 3.9% on O2, Vodafone).

Products

All products bought on our website are provided by ourselves, not the network, and are subject to our full T&Cs.

Cashback

Unless otherwise stated, cashback incentives are provided by ourselves and not the Network provider or third-party. Full details are in our T&Cs.

Data Speeds

Advertised 4G and 5G speeds are available in selected areas. Exact speed depends on location and number of users. Check coverage using the link in the shopping basket before buying.

Roaming (Three)

Three Advanced customers can use their allowance in 49 EU destinations, as well as 22 extra countries including the USA, Australia, New Zealand and more. A Fair Usage Policy for data abroad applies. If your domestic data allowance is greater than 19GB, you will be subject to a fair usage policy of 19GB whilst you are roaming in the network's Europe Zone: this means you can use a maximum of 19GB from your data allowance while roaming.