Three Discount Codes in August 2025
At Three we’ve always challenged the market. From offering market-leading pricing to being the best network for data (uSwitch mobile awards 2017). We currently carry 45% of the UK’s mobile internet traffic. Since our launch in 2003, we have done things differently to other mobile operators. Purpl members can get Three discount codes to help reduce mobile and broadband costs
Browse all discounts, vouchers, and promos from Three
5G Home Broadband (24 months) for £17 per month - unlimited data
No landline. No engineer. Discount offer applied after you check your coverage. Your monthly cost will increase by £2.00 every April
Home Broadband 1M (24 months) for £28 per month - unlimited data
No landline. No engineer. Discount offer applied after you check your coverage. Your monthly cost will increase by £2.00 every April
4G Home Broadband (24 months) for £21 per month - unlimited data
No landline. No engineer. Discount offer applied after you check your coverage. Your monthly cost will increase by £2.00 every April
£45.33 a month Samsung Galaxy S24 Ultra 5G 256GB Titanium Black with 150GB Complete Airtime
24 month contract, £110 upfront fee, Paramount+ 24 months inclusive, Go Roam - 56 days, Screen repair included, Up to 36 months extended warranty. Your monthly cost will increase by £1.50 every April.
£44.69 a month - iPhone 16 128GB Black with AirPods Pro (2nd Gen) with 150GB Complete Airtime
24 month contract, £110 upfront fee, Paramount+ 24 months inclusive, Go Roam - 56 days, Screen repair included, Up to 36 months extended warranty
£59.94 a month iPhone 16 Pro Max 1TB Black Titanium with 150GB Complete Airtime
24 month contract, £170 upfront fee, Paramount+ 24 months inclusive, Go Roam - 56 days, Screen repair included, Up to 36 months extended warranty. Your monthly cost will increase by £1.50 every April.
£43.86 a month Google Pixel 9 Pro 128GB Hazel + Pixel Buds Pro 2 Hazel with 150GB Complete Airtime
24 month contract, £105 upfront fee, Paramount+ 24 months inclusive, Go Roam - 56 days, Screen repair included, Up to 36 months extended warranty
Three shoppers also liked...
£6 a month, 10GB, 12 month contract, unlimited calls & texts + £15 Voucher
SIM Only. Ends 21st August.
£10 off upfront cost on any Apple iPhone pay monthly contract
Each April prices rise by £1.50 as set by the Consumer Price Index rate of inflation +3.9%.
Get a £35 Amazon Voucher on iPhone 16 £29.99 per month, iD Mobile, £39 upfront & 100GB of data
Each April prices rise by £1.50 as set by the Consumer Price Index rate of inflation +3.9%.
Get a £70 Amazon voucher when you purchase the New Samsung Galaxy Z Flip7
Valid on a pay monthly contract.
Get a £70 Amazon voucher when you purchase the New Samsung Galaxy Z Fold7
Valid on a pay monthly contract.
Apple iPhone 16 5x Data Boost to 500GB Data for £29.99 a month and £39 upfront
Each April: iD monthly prices rise by £1.50 as set by the Consumer Price Index rate of inflation +3.9%.
20% off selected Xtra Plans - Pay Monthly Phones
These discounts only apply to phones, tablets and SIM only plans that aren't already on offer.
20% off selected Xtra Plans - SIM only
These discounts only apply to SIM only plans that aren't already on offer.
20% off selected Xtra Plans - Refurbished Phones
These discounts only apply to phones, tablets and SIM only plans that aren't already on offer. UK's only Lifetime Service Promise: Every phone comes with Battery Refresh and Lifetime Warranty at no extra cost meaning your phone lasts longer.
5GB SIM for £6
Grab 5GB of data for only £6 with SMARTY’s SIM-only (SIMO) plan. Enjoy flexible 30-day (30D) contracts, mobile roaming, and unbeatable value.
