Save on the latest deals with three
Ends: 2026-10-28NHS save on these latest deals at Three Mobile - check here first
three.co.uk
Latest three.co.uk offers
Offers from three.co.uk you missed:
No expired offers to show.
Similar offers to three.co.uk you may like:
Up to 20% off selected mobile phones at very.co.uk
Ends: 2026-08-18Save up to 20% on selected mobile phones at very.co.uk. Limited time offer on top mobile brands.
iPhone 17 with iPad + £30 Clubcard Price at Tesco Mobile
Ends: 2026-09-06Get the iPhone 17 with an iPad plus £30 Clubcard Price for £48.99, regular price £52.99 at Tesco Mobile.
Get Mobile Plan from Only £5 a month with 1p Mobile
Ends: 2026-07-31Huge deals available and you can get a plan from as little as £5 /month from 1p Mobile.
Save 10% on Worldwide Multi-trip Travel eSIM for 201 Destinations at Mozillion
Ends: 2026-08-31Get 10% off on a travel eSIM valid for 201 worldwide destinations for a whole year. Use code **GLOBAL10** to save now.
£10 Discount AT Carphone Warehouse
Ends: 2026-08-31You can get £10 off pay monthly handsets using the code. Shop online and get a cheaper deal at Carphone Warehouse.
Google Pixel 10a from £31.67 at EE mobile
Ends: 2026-09-05 22:33:00Get the Google Pixel 10a from £31.67 a month at EE Mobile, was £38.67. Save up to £252 plus get £1 Pixel…
Similar Brands
Armed Forces families looking to reduce the cost of mobile tariffs, handsets and broadband can find several money saving options with Three. With service life often involving moves, deployments and changing locations, flexible and good value connectivity remains an important priority for Forces households.
Before switching or upgrading, checking network coverage is a useful first step. Three offers an online coverage checker that allows users to enter a postcode and view 3G, 4G and 5G availability in any area of the UK. This can help Military families confirm coverage at bases, training locations or new postings, and users can also register for updates if coverage improves locally.
How do UK Military use a Three discount code online?
To use a Three discount code, select a valid code from a trusted deals page and click see code to copy it. You will be redirected to the Three website where you can choose a SIM only plan, phone bundle or accessory. At checkout, paste the code into the discount code or gift card box and apply it to see the updated total before completing your order.
Switching to Three is designed to be straightforward, which can appeal to Armed Forces personnel with limited time. Customers who want to keep their existing number simply request a Port Authorisation Code from their current provider. Once this is shared with Three, the transfer is handled automatically, making it easier to move networks without disruption.
The Three app is another helpful tool for service households. Through the app, users can view bills, track allowances, top up credit, manage spending and upgrade plans. Live chat access also allows customers to get support without needing to make phone calls, which can be useful around shifts and duties.
Students within Military families can also access extra savings. Three offers 10 percent off selected phone plans and accessories once student status is verified online. This discount can help reduce monthly costs while still allowing access to newer handsets and regular tech upgrades.
Keeping the Three app installed can also unlock extra value. App users often receive exclusive promo codes, early access to offers and limited time handset deals before they appear on the main website. For Armed Forces customers planning upgrades, this can help secure savings on popular devices before stock runs low.
Three regularly updates its promotions across SIM only plans, phones and accessories. Monitoring these deals alongside discount code listings can help Military households choose the right time to switch or renew, particularly when combined with app only offers.
