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 September 15, 2020
Three Vouchers 2020
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 2020
Updated September 15, 2020
10%OFF
Existing customers get at least 10% off with Three mobile phone deals
Enjoy your Three upgrade for over 10% off when you shop these customer offers on the latest smartphones and bundles. Check them out!
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20%OFF
Take 10-20% off mobile phones, sims, and more with the Three student discount
Check out these student offers to get 10% off the latest Three mobile phones, 20% off SIM only deals, and 20% off home broadband. Sign up your email and start saving!
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FROM£25
Limited Time: Get an iPhone 11 with unlimited data from Three starting at £25 a month
Looking to upgrade? Get the iPhone 11 with UNLIMITED data starting at just £25 a month for a limited time!
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Terms:
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50%OFF
Score 50% off your phone bill for 6 months when you buy a Samsung Galaxy S20 Plus from Three
If you've been thinking of upgrading your phone, today is the day to do it! Take 50% off your phone bill for 6 months when you buy a Samsung Galaxy s20 Plus, only from Three.
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£80OFF
Get up to £80 off with the Three referral discount
Invite your friends to join using your link to score up to £80 off when they sign up for a Three mobile, SIM only, or tablet plan. Grab everyone you know and save together!
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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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50%OFF
Take 50% off the unlimited tariff on the Samsung Galaxy Note20 for 6 months at Three
Who doesn't enjoy getting the latest phone at half price? Check out this Three mobile deal to score the new Samsung Galaxy Note20 with unlimited data for 50% off!
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FREE
Get 5G at no extra cost from Three
All new and existing customers with a 5G device can enjoy full 5G speeds on their smartphones!
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50%OFF
Special Offer: Take 50% off select Three SIM only plans for 6 months
Don't settle for full price; shop these Three deals on select SIM only plans to knock 50% off your bill. Hurry before this offer ends!
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FROM£15
Check out Three tablets starting at £15 a month
Interested in a tablet? Get one with a data plan so you can use it anywhere starting at just £15 a month.
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FROM£36
Get Three 5G phones from £36 per month
Choose from a selection of Three 5G phones for as low as £36 per month with a £200 trade-in boost today!
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Terms:
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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£10
Get pay as you go SIMs for as low as £10 at Three
For those who don't like being bound to a contract, browse pay as you go SIMs for your Three phone starting at £10!
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FROM£11
Grab Three sim only plans from £11 a month
Get 4GB of data, unlimited minutes, and unlimited texts for £11 a month from Three.
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£12
Browse Three mobile phones from £12 a month
Find a brand new smartphone plan with data for just £12 a month from Three.
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£18
Grab a Three SIM with 100GB of data for £18
Enjoy 100GB of data for the price of 30GB, plus unlimited texts and minutes-- all for only £18 per month for 12 months at Three!
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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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£26
Get unlimited data for £26 a month at Three
Don't worry about limiting your surfing and streaming with this unlimited data plan for only £26! Also enjoy this offer for £0 upfront.
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FREEUPGRADE
Enjoy up to 24GB of free data with Three broadband plans
Sign up for a Pay As You Go mobile broadband plan and receive up to 24GB preloaded for free.
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FREEUPGRADE
Grab a Three mobile broadband SIM with 200MB of free data per month
Order the Three Data Reward SIM and every month you'll be rewarded with an extra 200MB of free data.
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FREESUBSCRIPTION
Get 12 months of Apple TV+ for free with Three iPads
Check out these Three deals on the Apple iPad Pro to get a year of Apple TV+ free of charge. Don't miss out!
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£5
Receive a £5 accessories voucher when you order the iPhone 11 online and pick up in store from Three
Enjoy a £5 gift towards accessories when you order any of the iPhone 11 phones online and collect it in store! Put the £5 towards a screen protector, case, and more.
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IN STORE
Have your order delivered to a Three store for free
Don't want to have to make sure you're home to sign for a delivery? Have your device shipped to a Three store for free and pick it up when it works best for you!
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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 |
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
4 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
2 weeks 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
2 weeks 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
2 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
8 months 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
5 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
9 months 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
1 month 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
6 months ago
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FREEDELIVERY
Enjoy free delivery on all Three phone accessories
Worried about cracking your shiny new phone? Grab a case and screen protector from Three and have it delivered for no extra charge.
Expired
2 weeks ago
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