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 June 5, 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
20%OFF
Take 20% off with offers from Three for existing customers
Shop the biggest deals on mobile devices, phone plans, tablets and more from Three.
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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!
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{"promotion_term_id":6229,"promotion_id":31804,"content":"","created_at":1581362540,"updated_at":1581362540}
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£20
Get unlimited data with a Three Supercharged SIM for £20
Take advantage of this Three deal on an unlimited data pack for only £20-- that's the price for 40GB! Order your pay as you go SIM today!
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Expires
6 days from now
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{"promotion_term_id":10637,"promotion_id":35782,"content":"","created_at":1590601786,"updated_at":1590601786}
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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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{"promotion_term_id":8041,"promotion_id":23276,"content":"","created_at":1584739107,"updated_at":1584739107}
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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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{"promotion_term_id":8619,"promotion_id":33846,"content":"","created_at":1585864166,"updated_at":1585864166}
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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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Terms:
{"promotion_term_id":1907,"promotion_id":28283,"content":"","created_at":1572207988,"updated_at":1572207988}
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£15
Add an extra 10GB of data for £15 from Three
Double your data for an extra £15 with Three add-ons. Never run out of data again!
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{"promotion_term_id":6233,"promotion_id":26828,"content":"","created_at":1581363036,"updated_at":1581363036}
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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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FROM£3
Get extra data and add-ons from £3 a month with Three
Add more perks without extra commitment to your Three mobile plan for as low as £3 a month!
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{"promotion_term_id":10171,"promotion_id":35336,"content":"","created_at":1589384084,"updated_at":1589384084}
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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.
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{"promotion_term_id":6231,"promotion_id":23280,"content":"","created_at":1581362815,"updated_at":1581362815}
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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!
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Terms:
{"promotion_term_id":612,"promotion_id":27328,"content":"<p>Expires: Unknown. 24 months required. \u00a349 upfront.<\/p>","created_at":1569879085,"updated_at":1584738614}
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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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{"promotion_term_id":5643,"promotion_id":31501,"content":"","created_at":1580407601,"updated_at":1580407601}
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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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{"promotion_term_id":6232,"promotion_id":23282,"content":"","created_at":1581362858,"updated_at":1581362858}
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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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{"promotion_term_id":8042,"promotion_id":33307,"content":"<p>Expires: Unknown. Upfront costs start at \u00a349. <\/p>","created_at":1584739693,"updated_at":1584739693}
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FROM£17.50
Find phone and audio bundles from £17.50 per month at Three
Get more out of your Three phone plan with bundles including earbuds, headphones, and charging pads for as low as £17.50 per month. Don't miss out!
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Terms:
{"promotion_term_id":8620,"promotion_id":33847,"content":"","created_at":1585864557,"updated_at":1585864557}
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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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{"promotion_term_id":7383,"promotion_id":32722,"content":"","created_at":1583526528,"updated_at":1583526528}
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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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{"promotion_term_id":10998,"promotion_id":36133,"content":"","created_at":1591372788,"updated_at":1591372788}
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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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Terms:
{"promotion_term_id":1908,"promotion_id":28284,"content":"","created_at":1572208235,"updated_at":1572208235}
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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
1 month ago
Terms:
{"promotion_term_id":9777,"promotion_id":34950,"content":"","created_at":1588343431,"updated_at":1588343431}
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£68
Grab the iPhone SE bundle with unlimited data for £68 at Three
Check out this Three mobile offer on the new iPhone SE and AirPod bundle plus unlimited data, talk, and text for only £68 a month! Get your money's worth today!
Expired
1 day ago
Terms:
{"promotion_term_id":9761,"promotion_id":34934,"content":"","created_at":1588271689,"updated_at":1588271689}
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FROM£29
Grab the 64GB iPhone SE 2020 plus FREE BeatsX headphones from £29 a month at Three
Stay in trend with this Three offer on the iPhone SE 2020 with 64GB of memory space and a pair of BeatsX headphones for as low as £29 per month!
Expired
1 month ago
Terms:
{"promotion_term_id":9240,"promotion_id":34429,"content":"","created_at":1587137131,"updated_at":1587137131}
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