Compare Three SIM-only deals and data packs

Why choose a Three SIM-only deal?

Three SIM-only has a number of benefits to offer that make their deals worthwhile:

• Three offers packages starting at £4.00 which makes them among the cheapest on the market
• All their deals already include 5G
• Offers unlimited data tariffs
• Three offers packages with Roaming included, so you can use your data while traveling without worrying about it
• Supports WIFI calling and personal hotspot

What is a SIM-only deal?

A SIM-only deal is a deal that only includes your SIM card. This means you will need to have your own phone or purchase it independently. There are many kinds of SIM-only deals allowing you to determine how many call minutes, texts, and data you need.

The best Three SIM-only deals and plans

Below you will find an overview of Three’s best offers in different categories, such as Most Popular plans,  Best deals for every month duration, Best Special offers, and others.

The most popular Three SIM-only deals

In general, all Three SIM-only offers are popular. Nevertheless, some customer favorites have emerged. You can find them in the table below.

Three SIM-only Unlimited

With Unlimited Data tariffs, data really is unlimited and you never have to worry about your next bill. There are no speed limits, no data caps, and no hidden limits when you use our Unlimited Data in the UK:

Three SIM-only pay as you go

Pay-as-you-go deals function without a contract. You pay for a certain amount of calls, texts, and data and once you have consumed them all you need to recharge. Therefore, there are no strings attached. Beforehand, you can choose your monthly data volume, minutes, and texts. As there is no contract, you can cancel at any time.

Here are the data packages available:

Which Sim-only deals contract length is the best?

Three offers various Three SIM-only models, which differ in their contract periods. If you already know how long you need your contract, you can look directly at the duration to see which deal is best for you.

24 Months Three SIM only deals

As the 24-month contracts are the longest durations offered by Three, these deals also offer the best prices. If you’re looking for something long-term, you’ll get the best value for money with these deals:

12 Month Three SIM Only deals

If you would like to try Three for a year and are willing to pay a pound or two more to be less tied down, you will find your options here:

1 Month Three SIM-only deals

Three also offers 1-month contracts. If you need a quick solution or a specific need, you can find it here. These contracts are also suitable if you want to try Three first.

What is Three Mobile Broadband?

Mobile Broadband, Mobile Internet, or MiFi – it’s a portable internet spot that works on a Data-Only SIM card. It is literally a WiFi that you can bring with you wherever Three network is (which is, again, 99% of the UK population). To use the mobile broadband, you need to purchase either a MiFi station, or a Home Broadband device, and then supply it with the appropriate SIM card.

Here are the Three SIM Only Mobile Broadband Deals available right now:

What are Three SIM-only Special Offers?

Three SIM-only offers special deals for students and for businesses. If you belong to one of these groups, you can find an overview of the offers here.

What Student Three SIM-only offers are there?

If you’re currently studying, Three has special offers for your Three SIM-only deal:

What Business Three SIM-only offers are there?

Three’s special Business plans for SIM only deals include plans with unlimited texts, calls and with different volume of data available. One of the key perks of Three’s Business account is its high-quality support service. Three also has some Go Boundless deals for those Business customers who need more than 1 SIM card that allow saving up to £68.30 both on the costs of SIM cards and monthly payments.

In their Business Plan, Three offers a price promise. This means that if you find a better deal on your business contract, Three will beat it by at least £1 per month. Their price promise applies even if you’re not new to Three.

To make the price promise work, you contact Three, or go to one of their stores. The details of the offer will be checked and compared with Three’s current prices. Three will contact you to beat the competitor’s price and make sure you pay less every month.

Business Three SIM-only Boundless Offers

In addition, Three offers Boundless SIM only deals for businesses. The Boundless Business offer applies to business customers who purchase several SIM cards. The more SIMs you buy, the lower the cost of the next purchased card!

Is Three a Good Network?

The provider launched its 5G network in August 2019 and was voted Best High Street Retailer in the Mobile Choice Consumer Awards for Best Data Network. So it is safe to say that Three is a good network.

What to look for in a Three SIM-only deal?

Three offers a range of different deals that vary in contract length, data volumes, and price. This, plus benefits such as Go Binge and the absence of upfront charges, make Three a good and solid network.

Can I get 5G with a Three Sim-only deal?

Three is a 5G network. It is now joined by almost every single other network as 5G rolls out quickly with only a couple of exceptions.

So far, Three has had one of the best rollouts, offering 5G in a wide range of cities and towns. Major locations include regions of Belfast, Birmingham, Cardiff, Edinburgh, Glasgow, Leeds, Liverpool, London, Manchester, and Newcastle upon Tyne. Three is among the providers that offer some of the fastest speeds and best latencies.

Three plans to roll out 5G through 2022 and beyond. Test the eligibility of your area on this page on their website. You can also see what the network coverage will be for specific phones.

Do I have to pay more for 5G?

Three offers 5G. However, another advantage of the network is that, unlike some others, there are no additional costs involved. Instead, 5G is added to the tariff.

How do you switch to Three SIM-only?

You have chosen Three as your new provider, but are still unsure about the details. All that’s left is to decide how much data and call minutes you need and take the final steps. Our experts can help you do that. Giving insider advice on the offer that best suits your needs and handling the switch for you in just a few minutes. Just call us and let yourself be guided.

How much data, texts, and calls do I need?

As far as calls and texts are concerned, Three has you covered. Almost all of its plans work with unlimited calls and texts. However, this is not the case with data. At best, you can tell from your past data usage how much data you will need in the future.

If this is not the case, we will give you some guidance.

Can I keep my old number?

Once your old contract has expired and you have chosen your new contract, you must decide whether you want to keep your number. If yes, you can request a PAC code (Porting Authorisation Code) from your old network by phone or SMS. Then contact Three and enter your new code.

How do I contact Three?

If you can’t find all the information you need on the Three website or on our site, you can contact Three directly. See the details below:

Of course, you can also always go to one of the Three Stores if you need help.

FAQ

📞 Can I keep my existing number when switching to SIM-only?

Yes, you can. It's easy to do online or even by text message. All you have to do is request the PAC code from your old provider.

🚶 Can I get a Pay As You Go SIM card on Three?

You can get a pay as you go SIM card with Three. There are several options for you to choose from, depending on how much data and minutes you need.

📶 Can I get 5G?

As long as you have a 5G device and are in a 5G area, you are covered by the Three SIM cards.

🌎 Can I use my Three SIM-only plan abroad?

With a Three SIM card you can use your device abroad. The procedure to activate Go Roam for your Three SIM is slightly different for monthly and prepaid plans.