Unlimited O2 SIM - Rolling
50% Off First Month
HALF PRICE: Get your first month for £10/month
- Month 1: Set up today for £3.00, we collect £7 on activation.
- Month 2 : Monthly payments of £20.00*
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Unlimited Monthly 5G Data
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Unlimited Minutes & Texts
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Includes 2000 minutes & 2000 texts - UK to Europe
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*Price increases to £20.90 from 01/01/2026
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Monthly Rolling Contract
About Us
The SIM Warehouse is your go-to destination for affordable SIM Cards.
We specialise in the best value Unlimited SIM cards on both O2 and Vodafone networks. With 30-day rolling contracts as standard, we offer the flexibility to cancel at any time. You can either keep your current number or choose a new one. We make switching providers hassle-free!
Great Value SIM Cards
Discover the freedom of Unlimited with The SIM Warehouse today. You can either keep your current number or choose a new one. We make switching providers hassle-free! Plus, with our exceptional customer support, you can be assured of help whenever you need it, making your experience seamless and stress-free.
Why Our SIM Only Plans Stand Out
Unlimited Data, Calls & Texts
Never stress over usage limits again. Stream, browse, work, and stay in touch—with our SIM-only contracts, it’s all truly unlimited.
Ultimate Flexibility
Flexible contracts means you don't have to be locked in. You can join different plans with options for 1-, 12-, or 24-month commitments, making it easy to choose a plan that fits your needs.
Choose Your Network
With a choice of O2 or Vodafone SIM cards you will be on one of the UK's largest mobile network operator without the worry of long contracts
Keep Your Number or Start Fresh
Transfer your existing number in minutes or get a brand-new number from us. Switching networks is easy with the Text to Switch service, allowing you to seamlessly transfer your phone number without any hassle. Simply text PAC to 65075 and start the process of transferring your number today.
Get Rewarded for Spreading the Word
Refer a friend and get £10 credit when they pay their first bill. Enjoy even more value from your deal.
5G & 4G Speeds, All SIM Types Supported
Get blazing-fast internet on your device, wherever you are. We support SIM, Micro-SIM, Nano-SIM & eSIM across phones, tablets, and even mobile broadband devices.
How It Works
Order your SIM Card online today
The SIM will arrive within 7 working days
Click the email link to activate your SIM
You will receive an email to confirm when your SIM Card is activated
The Order Process - Choose your SIM and order online today. The initial payment of only £3 will be taken today. This will then be credited against your first monthly charge, when you active your SIM card and your payment subscription begins. Once your order is complete, you will receive a confirmation email along with receipt of payment. This will be followed by a dispatch email once your SIM card has been shipped, within approximately 2 business days. How To Activate Your SIM Card – Upon receipt of your SIM card, check your emails for the activation email. Simply click the activate button in this email to activate your SIM card. Once you have requested activation, we will collect your first monthly subscription charge from your card details provided and set this up for future payments. You will receive an email to confirm when your SIM Card has been activated.
Subscription Information - Please be aware all our services are inclusive subscriptions, meaning most services not listed within the tariff description would be restricted (E.g. roaming data and international calls outside of inclusive tariff). You will, however, be able to Roam Like at Home if this is included in your selected package above.
Please read the below before proceeding to The Order Process-
The Order Process - Choose your SIM and order online today. The initial payment of only £3 will be taken today. This will then be credited against your first monthly charge, when you active your SIM card and your payment subscription begins. Once your order is complete, you will receive a confirmation email along with receipt of payment. This will be followed by a dispatch email once your SIM card has been shipped, within approximately 2 business days. How To Activate Your SIM Card – Upon receipt of your SIM card, check your emails for the activation email. Simply click the activate button in this email to activate your SIM card. Once you have requested activation, we will collect your first monthly subscription charge from your card details provided and set this up for future payments. You will receive an email to confirm when your SIM Card has been activated.
Subscription Information - Please be aware all our services are inclusive subscriptions, meaning most services not listed within the tariff description would be restricted (E.g. roaming data and international calls outside of inclusive tariff). You will, however, be able to Roam Like at Home if this is included in your selected package above.
Please see below The SIM Warehouse Documents -
About Us
About Us
About Us
The SIM Warehouse is your go-to destination for affordable SIM Cards.
We specialise in the best value Unlimited SIM cards on both O2 and Vodafone networks. With 30-day rolling contracts as standard, we offer the flexibility to cancel at any time. You can either keep your current number or choose a new one. We make switching providers hassle-free!
Discover the freedom of Unlimited with The SIM Warehouse today. You can either keep your current number or choose a new one. We make switching providers hassle-free! Plus, with our exceptional customer support, you can be assured of help whenever you need it, making your experience seamless and stress-free.
Why Our SIM Only Plans Stand Out
Unlimited Data, Calls & Texts
Never stress over usage limits again. Stream, browse, work, and stay in touch—with our SIM-only contracts, it’s all truly unlimited.
Ultimate Flexibility
Flexible contracts means you don't have to be locked in. You can join different plans with options for 1-, 12-, or 24-month commitments, making it easy to choose a plan that fits your needs.
Choose Your Network
With a choice of O2 or Vodafone SIM cards you will be on one of the UK's largest mobile network operator without the worry of long contracts
Keep Your Number or Start Fresh
Transfer your existing number in minutes or get a brand-new number from us. Switching networks is easy with the Text to Switch service, allowing you to seamlessly transfer your phone number without any hassle. Simply text PAC to 65075 and start the process of transferring your number today.
Get Rewarded for Spreading the Word
Refer a friend and get £10 credit when they pay their first bill. Enjoy even more value from your deal.
5G & 4G Speeds, All SIM Types Supported
Get blazing-fast internet on your device, wherever you are. We support SIM, Micro-SIM, Nano-SIM & eSIM across phones, tablets, and even mobile broadband devices.
Why Choose The SIM Warehouse
30 Day Rolling Contracts
No lengthy contracts with our monthly rolling plans. Change your plan or cancel anytime.
Unlimited Calls & Texts
All of our plans include unlimited UK calls and texts.
Choose Your Network
Choose your favourite network with O2 and Vodafone SIM Cards available.
Get Rewarded
Receive £10 credit for every friend you refer when they pay their first bill.
How it works
The Order Process - Choose your SIM and order online today. The initial payment of only £3 will be taken today. This will then be credited against your first monthly charge, when you active your SIM card and your payment subscription begins. Once your order is complete, you will receive a confirmation email along with receipt of payment. This will be followed by a dispatch email once your SIM card has been shipped, within approximately 2 business days. How To Activate Your SIM Card – Upon receipt of your SIM card, check your emails for the activation email. Simply click the activate button in this email to activate your SIM card. Once you have requested activation, we will collect your first monthly subscription charge from your card details provided and set this up for future payments. You will receive an email to confirm when your SIM Card has been activated.
Subscription Information - Please be aware all our services are inclusive subscriptions, meaning most services not listed within the tariff description would be restricted (E.g. roaming data and international calls outside of inclusive tariff). You will, however, be able to Roam Like at Home if this is included in your selected package above.
Please read the below before proceeding to The Order Process-
Order your SIM Card Online Today
Your SIM Card will arrive within 7 day
Active your SIM Card online
You will receive an email when your SIM Card is live
Order Now
Unlimited O2 SIM - Monthly Rolling
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Set up today for £3.00
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We collect £17.00 on activation, then £20.00 per month after.
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Monthly Rolling Contract
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Unlimited Minutes & Texts
-
Unlimited Monthly Data
-
Includes 2000 minutes & 2000 texts - UK to Europe
-
5G Ready
The Order Process - Choose your SIM and order online today. The initial payment of only £3 will be taken today. This will then be credited against your first monthly charge, when you active your SIM card and your payment subscription begins. Once your order is complete, you will receive a confirmation email along with receipt of payment. This will be followed by a dispatch email once your SIM card has been shipped, within approximately 2 business days. How To Activate Your SIM Card – Upon receipt of your SIM card, check your emails for the activation email. Simply click the activate button in this email to activate your SIM card. Once you have requested activation, we will collect your first monthly subscription charge from your card details provided and set this up for future payments. You will receive an email to confirm when your SIM Card has been activated.
Subscription Information - Please be aware all our services are inclusive subscriptions, meaning most services not listed within the tariff description would be restricted (E.g. roaming data and international calls outside of inclusive tariff). You will, however, be able to Roam Like at Home if this is included in your selected package above.
Please read the below before proceeding to The Order Process-
Why Choose The SIM Warehouse
30 Day Rolling Contracts
No lengthy contracts with our monthly rolling plans. Change your plan or cancel anytime.
Unlimited Calls & Texts
All of our plans include unlimited UK calls and texts.
Choose Your Network
Choose your favourite network with O2 and Vodafone SIM Cards available.
Get Rewarded
Receive £10 credit for every friend you refer when they pay their first bill.