Three offers six months half price on selected SIM card and phone plans, giving you 8GB data for £5 and unlimited data for £10.

In the UK, Three is currently offering six months half price on selected SIM-only deals and Pay Monthly phone plans.

With the 6 months half price offer, you can get an 8GB SIM card for just £6/month for the first 6 months (then £6 from month 7). Alternatively, you can get unlimited data for £18.40/month for 6 months (then £20 from month 7 onwards). It’s also possible to get 6 months half price on the new iPhone 13.

Get 6 months half price on Three →

In this article, we’ll look at the Three’s 6 months half price offer and how you can get it on a SIM-only deal or on a Pay Monthly phone. We’ll also look at how you can keep your current phone number when switching to Three.

6 Months Half Price On Three

If you’re looking to save money on a new SIM-only deal or Pay Monthly phone contract, it’s worth taking advantage of Three’s 6 months half price offer.

At the moment, it’s possible to get 6 months half price on the following SIM cards from Three:

NetworkMinutesTextsDataMonthly
Cost
ThreeUnlimitedUnlimited25GB£10.40
for 12 months, then £13/month
ThreeUnlimitedUnlimited1GB£11.20
for 12 months, then £14/month
ThreeUnlimitedUnlimited4GB£12.80
for 12 months, then £16/month
ThreeUnlimitedUnlimited120GB£13.60
for 12 months, then £17/month
ThreeUnlimitedUnlimited12GB£13.60
for 12 months, then £17/month
ThreeUnlimitedUnlimited25GB£14.40
for 12 months, then £18/month
ThreeUnlimitedUnlimited25GB£15.20
for 12 months, then £19/month
ThreeUnlimitedUnlimited1GB£15.20
for 12 months, then £19/month
ThreeUnlimitedUnlimited120GB£16.80
for 12 months, then £21/month
ThreeUnlimitedUnlimited4GB£16.80
for 12 months, then £21/month
ThreeUnlimitedUnlimited120GB£17.60
for 12 months, then £22/month
ThreeUnlimitedUnlimited12GB£17.60
for 12 months, then £22/month
ThreeUnlimitedUnlimitedUnlimited£18.40
for 12 months, then £23/month
ThreeUnlimitedUnlimited25GB£19.20
for 12 months, then £24/month
ThreeUnlimitedUnlimited250GB£20.00
for 12 months, then £25/month
ThreeUnlimitedUnlimited120GB£20.80
for 12 months, then £26/month
ThreeUnlimitedUnlimitedUnlimited£22.40
for 12 months, then £28/month
ThreeUnlimitedUnlimitedUnlimited£24.00
for 12 months, then £30/month
ThreeUnlimitedUnlimited250GB£24.00
for 12 months, then £30/month
ThreeUnlimitedUnlimitedUnlimited£28.00
for 12 months, then £35/month

The 6 months half price offer is only available when you sign up to a 24-month contract with Three. From month 7 onwards, it will revert to the full monthly price. Every April, the monthly cost of your plan will also increase by 4.5%.

All of the SIM cards from Three include 5G at no extra cost along with tethering and personal hotspot usage. If you choose an unlimited data plan from Three, you’ll also get truly unlimited data with no speed limits or data caps in the UK (the only restriction is that it needs to be for your personal use only).

If you’d like a new mobile phone to go with your SIM card, you can get six months half price on the new iPhone 13 and iPhone 13 Pro. For instance, you can get 1GB data per month on the iPhone 13 for £25/month for 6 months (then £50 from month 7). Alternatively, unlimited data is available for £31/month for the first 6 months (then £62 from month 7).

Keeping Your Phone Number

If you’re switching to Three so you can take advantage of their 6 months half price offer, it’s easy to keep your current UK phone number.

Start by asking your current mobile network to give you a PAC Code. You can get one through your mobile network’s website or app, or by texting PAC to 65075. Once you have it, order your new phone or SIM card from Three’s website.

When your new phone or SIM card arrives, fill out this form on Three’s website. After you’ve submitted your PAC Code in the form, Three will schedule the transfer of your phone number (normally for the next working day). In the meantime, you’ll continue receiving a service from your old network.

For step-by-step instructions on transferring a phone number to Three, please select your current mobile network from the drop-down menu below:

PAC Code Finder: Transfer Your Phone Number to Three

Select your current mobile network:

  More Options

More Information

For more information, please see Three’s official UK website. You may also find it useful to read our guide on Three’s unlimited data plans and Three’s SIM-only deals.

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