It's no secret why Three bills itself as the best network for data–they carry more of it than any other provider in the UK. Join the fastest growing mobile network with coverage for 99% of the population and enjoy lightning-fast 5G connectivity, Wi-Fi calling, and a host of other must-have network features. And do it all for less with Three vouchers and Three discount codes.
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Updated April 1, 2021
Three Vouchers 2021
It's no secret why Three bills itself as the best network for data–they carry more of it than any other provider in the UK. Join the fastest growing mobile network with coverage for 99% of the population and enjoy lightning-fast 5G connectivity, Wi-Fi calling, and a host of other must-have network features. And do it all for less with Three vouchers and Three discount codes.
Three Vouchers 2021
Updated April 1, 2021
FREEGIFTS
Get free gifts and 50% off select plans with the Three student discount
Calling all students! If you're a student on a budget, enter your university email address at Three to receive Spotify Premium and YouTube Premium free for a few months and a 50% discount on select phone plans.
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£80
Refer your friends to Three and receive up to £80 cash
Make sure you tell your friends and family about Three's awesome products. With your referral, you can earn up to a £80 cash reward!
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50%OFF
Knock 50% off select mobile plans at Three
Enjoy six months at half price with select mobile contracts at Three. Don't pay the full price this season and save big on your monthly bill!
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FREETECH
Score free tech with select phones at Three
Get free smartwatches, earbuds and more with the purchase of select mobile devices. Visit Three and shop today!
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£189OFF
Grab the Galaxy S21 from Three for £189 off
By paying 50% less for 6 months on your Samsung Galaxy S21 plan, you are saving £189! Purchase your new phone from Three.
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FREEGIFT
Claim a free Google Play gift code with any Galaxy S21 purchase from Three (worth £150)
Purchase any of the Samsung Galaxy S21 series phones at Three to claim a free Google Play gift code valued at £150. You can use this code in the Google Play Store to buy any games, apps and more!
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50%OFF
Score 50% off per month on the unlimited data Three SIM plan
Want unlimited data and a 50% discount per month? Grab the unlimited data SIM plan at Three and pay as little as £10 a month instead of £20 for six months.
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80%OFF
Browse select phone cases at Three for 50-80% off
Screen repairs can be costly. Make sure you protect your new phone by grabbing a phone case at Three for up to 80% off.
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FREEGIFT
Order the iPhone 12 Pro and claim a free gift with this Three bundle deal
Planning to upgrade to the iPhone 12 Pro? Bundle it with Airpods, Beats Flex or Powerbeats pros for a good deal with Three!
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£120OFF
Take up to £120 off unlimited broadband plans at Three
Benefit from fast internet speeds with the 4G or 5G hub. Get an unlimited home broadband contract from Three today and save up to £120 off!
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FREEDATA
Sign up for Three SIM broadband plans and get 200MB of free data every month
No wifi? No problem. Get the Data Reward SIM from Three and receive 200MB of free data every month!
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£1OFF
Take at least £1 off a month with the Business Price Promise policy at Three
If you're getting a business phone, broadband, or SIM only plan, ensure you are getting the best prices with Three's Business Price Promise policy. It isn't just a price match, but Three will offer you a better deal for your business contract for at least £1 cheaper in monthly payments!
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10%OFF
Customer Only Deals: Get special offers for over 10% off phones and accessories at Three
Calling all existing customers - check out these exclusive Three deals! Knock at least 10% off phones, accessories and plans.
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FREEROAMING
Get free roaming in 71 destinations with Three
Don't worry about extra roaming charges when you travel. With Go Roam, you can call, text and use your data in 71 worldwide destinations, free of charge!
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£50OFF
Recycle your tech and get cashback of more than £50 with Three
Sell your used phone, tablet or wearable to Three and receive instant cashback of up to £400! Send yours in today!
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FREESUBSCRIPTION
Enjoy Apple TV+ for free with any Apple device at Three
Purchase an Apply device at Three and receive 1 year of Apple TV+ at no cost. Redeem this offer within 90 days and start enjoying the latest movies and shows!
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FROM£10
Browse Huawei phones starting from £10 a month at Three
Choose from Huawei Y6p, P40 Pro, P40 Lite 5G and others and pay as low as £10 per month with Three plans.
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FROM£5
Find monthly data add-ons from Three starting at £5
Running a bit low on data? Add an extra 1 GB for £5 or unlimited data for the month for only £15!
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FROM£5
Purchase SIM only plans for as low as £5 at Three
Get a SIM only plan from Three from only £5 a month!
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FROM£10
Get a data pack starting from £10 with your Three pay as you go plan
Order your free SIM and get a data pack for as low as £10 at Three. All these pay as you go plans come with unlimited minutes and texts and you can always grab add-ons if needed.
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FROM£22
Enjoy unlimited Three broadband on 4G or 5G from £22 per month
If you're looking for fast 4G and 5G speeds, unlimited data, and no landlines, look no further. You can get a Three home broadband plan starting at £22.
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£15
Get monthly unlimited data boosts for as low as £15 at Three
Never run out of data with unlimited data boosts every month. Sign up for Three add-ons for only £15!
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£20
Customize your Three tech accessories for £20
Give the gift of personalisation this season with custom phone cases, watch straps and Airpods. Order yours for only £19.99 at Three!
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FREEDELIVERY
Enjoy free next day delivery at Three
Get your purchase delivered fast and right to your door with Three. Score free next day delivery when you place your order before 4 o'clock!
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FREEAPP
Download the Three app for free and manage your phone
Don't worry about the queues or calls anymore! Download the Three app for free to view your bills, top up your plan and control your spending.
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More about Three
Using the Three App
The Three app allows customers to manage their data, contact customer support, log onto their My3 account, and access exclusive Three UK deals on extra data, calls, and handset upgrades.
It's an essential tool for anyone who struggles to keep track of mobile bills, as well as pay-as-you-go customers who need to know how much credit they have remaining.
Three Network Review
Three Mobile is the fourth largest mobile phone network in the UK, and it tends to do quite well in company comparisons.
Commentators often [h]highlight[h] affordable Three phone deals, the wide range of phone models on offer, unlimited data plans ("All You Can Eat"), and strong customer support.
Three Contact Information
If customers want to get in touch with Three regarding their contract, upgrades, or how to use Three vouchers, doing so should be fairly simple. Current customers can just call 333 to access 24/7 support.
Otherwise, they can call: 0333 338 1001 (8:00-20:00 Monday to Friday, 9:00-18:00 at weekends). Online support is also available via My3 accounts.
Past Three Vouchers & Deals
| Deal Amount | Title of Deal | Deal Type | |
| 10% Off | Three student discount for 10% off | Offer | Expired |
| 15% Off | Three NHS discount for 15% off | Offer | Expired |
| 25% Off | Three Friends and Family discount for 25% off | Offer | Expired |
FAQs with Three
Does Three have a student discount?
Believing that you don't have to sacrifice good cellular service while sticking to a tight budget, students can enjoy exclusive deals right on their website. You can save on smartphones, SIM, free gifts with purchase, and broadband with a valid academic ID.
How do you get free delivery from Three?
When you join their service and order any device online, you'll receive free express shipping within the UK. Plus, when you order by 4pm, you'll get your phone the next working day! Just make sure you take along a voucher code during checkout for maximum savings.
How do you get a discount at Three?
To receive the latest deals and discount offers straight to your device, just download their free app for Android and iOS! They love to surprise their customers with special offers, so download it today to save. Otherwise, you can always browse here for the latest coupons all in one convenient place.
Popular Expired Three Discount Codes
£6
Limited Time Offer: Get this Three SIM only deal with 1GB of data for £6
Take advantage of this Three offer to get 1GB of data plus unlimited talk and text for only £6 a month. Hurry before it's gone!
Expired
11 months ago
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£55
Grab the new iPhone 11 with unlimited data for £55 a month at Three
Treat yourself and get the new iPhone 11 for only £55 a month AND unlimited data!
Expired
6 months ago
Terms:
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70%OFF
Score 10-70% off tablets with Three deals for existing customers
Check out these Three sales to get all tablets without any upfront cost and at least 10% off the monthly bill-- that's up to 70% off just for you! Not a customer? Join for free today!
Expired
6 months ago
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50%OFF
Enjoy this Three SIM only plan for 5G ready, unlimited data at half price for 6 months
Grab this 12 month Advance plan with 5G ready, unlimited data, and unlimited texts and minutes for £11 for 6 months instead of £22 with this SIM only Three deal!
Expired
8 months ago
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£168OFF
Take £168 off the Apple iPhone Xs with unlimited data at Three
Check out this Three mobile deal on the iPhone Xs with unlimited data, Go Binge and Go Roam for £168 less on a 24 month plan!
Expired
1 year ago
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FREEGIFT
Receive a free Huawei Mini Speaker with a Huawei P Smart 2019 purchase at Three
Take advantage of this Huawei deal on the Smart 2019 for as low as £16 per month and get a free mini speaker!
Expired
11 months ago
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£480OFF
Shop Black Friday deals at Three for £96-480 off iPhones, Samsungs, and Huaweis
Find your next smartphone at Three, where you can shop their Black Friday deals and receive £96-480 off select phones such as the Apple iPhone 11, the Huawei P30, and the Samsung Galaxy S10 Plus.
Expired
1 year ago
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FREEGIFT
Three Deal: Get a free gaming bundle or a book cover with a Samsung Galaxy Tab S7 purchase
Choose your gift and score massive Three discounts when you pre-order the new Samsung Galaxy Tab S7 today. Hurry before this offer ends!
Expired
7 months ago
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£10OFF
Get £10 off Tech21 phone cases at Three
Keep your phones secure with one of these great cases all for £10 off! Shop a wide selection of designs and styles for iPhone, Samsung and more!
Expired
1 year ago
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FREETABLET
Receive a free tablet with select Huawei orders at Three (worth £109)
Purchase the Huawei P40 Lite 5G, P40 Pro or the Mate 40 Pro and claim a MatePad T8 free of charge! Visit Three today to claim your free tablet.
Expired
1 week ago
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