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 January 22, 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
50%OFF
Get 6 months for 50% off on select Three sim and mobile plans
Get half price on mobile phones and sim-only plans for 6 months with this Three deal.
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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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FREEWATCH
Grab a free Samsung Galaxy Watch Active when you purchase a select Samsung phone at Three
When you purchase a Samsung Galaxy S10, S10+, S10 5G or Note10+ 5G, you can claim a free Samsung Galaxy Watch Active at Three.
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Expires
6 days from now
Terms:
{"promotion_term_id":4531,"promotion_id":30496,"content":"<p>Expires: 29th January, 2020. Valid on purchases between now and 29th January, 2020. Claims must me made within 30 days of purchase.<\/p>","created_at":1577737264,"updated_at":1577737264}
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£10
Grab Three sim only plans from £10 a month
Get 4GB of data, unlimited minutes, and unlimited texts for £10 a month from Three.
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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!
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Expires
1 week from now
Terms:
{"promotion_term_id":5298,"promotion_id":31195,"content":"","created_at":1579711113,"updated_at":1579711113}
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£15
Add an extra 5gb 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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£20
Get unlimited data for £20 a month at Three
Don't worry about limiting your surfing and streaming with this unlimited data plan for only £20! 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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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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£10OFF
Enjoy an unlimited 30 day SIM plan for £10 less with Three
For a limited time offer get unlimited texts and minutes for £25 instead of £35 with this Three Pay As You Go SIM Plan.
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Expires
1 week from now
Terms:
{"promotion_term_id":4958,"promotion_id":30881,"content":"","created_at":1578935662,"updated_at":1578935662}
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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!
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Terms:
{"promotion_term_id":1909,"promotion_id":28285,"content":"","created_at":1572208360,"updated_at":1572208360}
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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. \u00a355 upfront.<\/p>","created_at":1569879085,"updated_at":1569879085}
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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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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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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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£79
Get the Samsung Galaxy S10 Plus for £79 upfront
Get a brand new Samsung Galaxy S10 Plus for £79 with this unlimited data plan.
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£99
Grab the brand new iPhone XS for £99 from Three
Grab the brand new iPhone XS with a 4GB data plan and unlimited minutes for just £99 upfront and £51 a month.
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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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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.
Popular Expired Three Discount Codes
£100 CASHBACK
Get £100 cashback and 12GB for the price of 4GB with a Samsung Galaxy at Three
Check out the latest deals from Three, where if you select a Samsung Galaxy S10e, you can receive £100 cashback and 12GB for the price of 4GB.
Expired
3 weeks ago
Terms:
{"promotion_term_id":4005,"promotion_id":30055,"content":"","created_at":1576174978,"updated_at":1576174978}
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50%OFF
Receive 50% off 6 months of SIM card plans for Black Friday at Three
Find great deals on SIM card plans at Three's Black Friday sale, where you can receive 50% off the first six months of a card plan.
Expired
1 month ago
Terms:
{"promotion_term_id":3452,"promotion_id":29531,"content":"","created_at":1574969314,"updated_at":1574969314}
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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 month ago
Terms:
{"promotion_term_id":2895,"promotion_id":29018,"content":"","created_at":1574094116,"updated_at":1574094116}
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