Three Discount & Promo Codes
Shop phones, broadband and SIM only deals with Three discount codes to save on iPhone, Samsung and Google Pixel.
Three Codes & Deals
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About Three
Three offers a wide range of mobile phones, broadband services and SIM only plans with regular promotional offers and discount codes. Browse the latest smartphone deals including trade-in savings on flagship devices like iPhone 17e, Samsung S26, and Google Pixel 10, plus home broadband packages and pay monthly contracts. Find voucher codes and promo deals to reduce costs on handsets, accessories, tablets and smartwatches across all major brands including Apple, Samsung, Motorola and HONOR.
To use a Three discount or promo code, simply click "Reveal Code" next to the offer you want, copy the code, and paste it into the promo code box at checkout on the Three website. If a code doesn't work, please vote it down so we can keep our listings accurate for everyone.
CodeLand is a UK community-powered savings platform where real shoppers share and verify discount codes. Our Three codes are checked daily and voted on by the community, so you can shop with confidence knowing the codes actually work.
Tips for saving at Three: Check back regularly as we update our Three codes daily. Sign up for their newsletter for exclusive subscriber-only offers, and check for seasonal sales where codes often unlock additional savings. As of April 2026, we have 1 Three promo codes listed. Our community is always sharing new codes in the discussion section below, so it's worth scrolling down to see what others have found.
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Frequently Asked Questions
Copy the code from this page, click "Get Deal" to visit Three's website, add items to your cart, and paste the code at checkout before completing your purchase. Three offers codes including trade-in savings on flagship devices like iPhone 17e, Samsung S26, and Google.
We update Three codes daily. Our community actively shares and verifies codes, so bookmark this page and check back regularly for the latest deals.
Check the expiry date and any minimum spend requirements. If it's expired or doesn't apply to your basket, please vote it down so we can remove it. Our community also shares working codes in the discussion section below — it's worth checking there too.
We don't currently have a specific free delivery code for Three, but delivery offers are added regularly. Check back soon or look through the codes above — some deals may include free shipping as part of the offer.