Free next-day delivery.

Order today, get it tomorrow.*

“Excellent” on Trustpilot.

Based on over 22,000 reviews.

Award-winning service.

Voted O2's best partner.

Over 25 years in business.

With 2 million+ customers.

Three SIM Card

30GB Data

Unlimited Minutes

Unlimited Texts

12 months

Three Network

PLUS

Faster Speeds with 5G

Tether your devices to surf on the go

Use Your Phone on the London Underground

99% 4G UK Coverage

Claim Exclusive Offers and Discounts

Three Advanced 30GB Sim Only (12mths)

Contract

  In Stock

CYBER WEEK DEAL - ENDS SOON

Faster Speeds with 5G

Faster Speeds with 5G

5G is here on Three, bringing you incredible data speeds, a smoother experience when gaming and video calling, and a more reliable data connection in busy places like the football and festivals. Three has launched 5G in a load of busy towns and cities up and down the UK. See our Help Centre for the full list. Note: When you leave a 5G location, your 5G mobile will automatically switch to 4G or 3G, then back to 5G when it's available.

Use Your Phone on the London Underground

Use Your Phone on the London Underground

With access to WiFi on the London Underground, on over 250 stations in ticket halls, walkways and platforms, you can continue using your phone on the commute, checking Facebook and replying to emails, rather than getting cut off as soon as head down the escalators.

99% 4G UK Coverage

99% 4G UK Coverage

Our combined 3G and 4G network covers 99% of the UK outdoor population. And we’re full steam ahead with our 5G rollout.

Claim Exclusive Offers and Discounts

Claim Exclusive Offers and Discounts

Three customers can download the Three+ customer loyalty app and access exclusive discounts on the biggest brands like Uber Eats, Cineworld and more. Plus, music lovers can get pre-sale tickets to the UK's biggest festivals.

These charges are applicable only when you exceed what is included in your tariff.

Calls to UK Mobiles p/m 65p
Calls to Landlines p/m (numbers starting with 01, 02 or 03 excluding Jersey, Guernsey, Isle of man) 65p
Calls to Jersey, Guernsey & Isle of man p/m 46p
Data Bundles from £2.50
Text Messages p/msg N/A
MMS Messages p/msg 65p
Calls to Voicemail p/m 65p
0800 and 0808 Calls p/m £0.00
Customer Service Calls p/m 35p
0500 Number Calls p/m £0.00
084, 087, 09 and 118 Access Charge p/m 65p
070 non-mobile Maximum Charge p/m £1.22 per call plus 85.5p per minute
Calls to certain MVNO's p/m 65p
Service Numbers

Calls to service numbers (starting 084, 087, 09 and 118) aren’t included in your plan allowance. There will be two charges on your bill, made up of an Access Charge that's charged by the network as pence per minute, and a Service Charge that's charged by the organisation you called. You will be charged the Access Charge for a minimum of 1 minute and then per second for the rest of the call.

Roaming Charges

Additional charges will apply to calls made while roaming outside of the EU/EEA. Customers on Three and Vodafone will also be charged £2 per day for roaming inside the EU.

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.

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.

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.

Products

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

Roaming (Three)

You can use your minutes, texts and data in 71 worldwide countries, £2 per day charge applies to EU, £5 per day charge applies to Around the World. Before travelling please make sure the roaming bar is lifted and visit www.three.co.uk/roaming or the My3 app for out of bundle charges relating to non-inclusive countries. A ‘Fair Usage Policy’ for using your data abroad applies, capping customers on a 12GB or higher plan for Go Roam in Europe and Go Roam Around the World.