Best Prepaid Sim Cards of 2026

Last updated on 17/02/2026

Advertising disclosure

Advertising disclosure

Most Relevant

Electronics Home & Kitchen Computers Office Supplies Toys & Games Sports & Fitness

Most Relevant

EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts

EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts

Unlimited Data for 30 days.
No Roaming Hassles.
Unlimited Calls and Texts.

Main Highlights

Unlimited Data Included, lasts up to 30 days
Roaming is not included
Unlimited calls and texts
Allowances last up to 30 days from activation
If the purchased pre-paid credit is not immediately available when the sim is put into the device, please message us and include the mobile number as detailed on the back of the packaging.
To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser

Product image 1

Product image 2

Product image 3

Product image 4

EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts

Unlimited Data for 30 days.
No Roaming Hassles.
Unlimited Calls and Texts.

Main Highlights

Unlimited Data Included, lasts up to 30 days
Roaming is not included
Unlimited calls and texts
Allowances last up to 30 days from activation
If the purchased pre-paid credit is not immediately available when the sim is put into the device, please message us and include the mobile number as detailed on the back of the packaging.
To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser

Value for Money

SIM2ROAM USA Prepaid SIM Card Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) Unlimited Calls and Texts (SMS) in United States Refillable! (15 Days)

SIM2ROAM USA Prepaid SIM Card Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) Unlimited Calls and Texts (SMS) in United States Refillable! (15 Days)

Hassle-free activation and refill.
Expansive network coverage.
Tri-cut SIM versatility.

Main Highlights

USA local SIM card. Uses T-Mobile network. Good reception and signal. NO contract or ID authentication needed!
Data Plan: Unlimited 5G | 4G internet Data in USA nation-wide (Hawaii is included) + 5GB of 5G/4G Data in Canada and Mexico. Hotspot tethering is supported (3G).
Phone calls and Texts: Unlimited Calls & Texts among US, Canada and Mexico.
Validity: Valid for 15 days upon activation. Plan is refillable.
Sim Card Size: Standard/ Micro/ Nano all size tri-cut SIM. The sim card fits in any cell phone devices physically.
Activation: Activation could take up to 24 hours. Please submit the request at least 2 days in advance. Your SIM card will be activated on your scheduled date (North America Central Time Zone).
Smart phones ONLY. Samsung A series (A40, A50, A51, A70 etc.) and China brand (HUAWEI, OPPO, XIAOMI etc) & SONY are NOT fully compatible. Plus,🚨please make sure your device works on T-Mobile's network, Band 2 and Band 4, otherwise it won't be working.🚨
Weak signal strength regions: National Parks, Rural areas, Montana, North Dakota, South Dakota, Nebraska, West Virginia, Alaska.
Contact us anytime when you need assistance!

Product image 1

Product image 2

Product image 3

Product image 4

SIM2ROAM USA Prepaid SIM Card Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) Unlimited Calls and Texts (SMS) in United States Refillable! (15 Days)

Hassle-free activation and refill.
Expansive network coverage.
Tri-cut SIM versatility.

Main Highlights

USA local SIM card. Uses T-Mobile network. Good reception and signal. NO contract or ID authentication needed!
Data Plan: Unlimited 5G | 4G internet Data in USA nation-wide (Hawaii is included) + 5GB of 5G/4G Data in Canada and Mexico. Hotspot tethering is supported (3G).
Phone calls and Texts: Unlimited Calls & Texts among US, Canada and Mexico.
Validity: Valid for 15 days upon activation. Plan is refillable.
Sim Card Size: Standard/ Micro/ Nano all size tri-cut SIM. The sim card fits in any cell phone devices physically.
Activation: Activation could take up to 24 hours. Please submit the request at least 2 days in advance. Your SIM card will be activated on your scheduled date (North America Central Time Zone).
Smart phones ONLY. Samsung A series (A40, A50, A51, A70 etc.) and China brand (HUAWEI, OPPO, XIAOMI etc) & SONY are NOT fully compatible. Plus,🚨please make sure your device works on T-Mobile's network, Band 2 and Band 4, otherwise it won't be working.🚨
Weak signal strength regions: National Parks, Rural areas, Montana, North Dakota, South Dakota, Nebraska, West Virginia, Alaska.
Contact us anytime when you need assistance!

Wave Connect Quad Network Data Only SIM Card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked Devices (6GB | 12 Months)

Wave Connect Quad Network Data Only SIM Card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked Devices (6GB | 12 Months)

Flexible SIM card sizes available.
Easy online registration process.
Automatic top-ups for convenience.

Main Highlights

THE PLAN: 6GB to use anytime within 12 months (not 6GB per month). Refill any time to reset the duration.
WHAT’S INCLUDED: A 3-in-1 SIM card with data to use across all major UK networks. The card includes standard/micro/nano sizes. This is data-only, no voice or text.
HOW IT WORKS: Insert to use straight away, register online to view data use and top-up.
WHY THIS SIM? Enjoy online access to view data consumption, add alerts and notifications when nearing your data allowance, and top-up manually or choose automatic top-ups with different data allowances available.
WHO’S THIS FOR? This non-steered SIM card connects to all networks so is great for trail cameras, CCTV, surveillance, security, movement cameras, solar energy monitoring systems and wind turbines - although it will work with most devices.
TOP-UP ANYTIME: A choice of options to add more data based on your use. Downgrade or upgrade at any time. Select automatic refill to ensure you’re always connected.

Product image 1

Product image 2

Product image 3

Product image 4

Wave Connect Quad Network Data Only SIM Card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked Devices (6GB | 12 Months)

Flexible SIM card sizes available.
Easy online registration process.
Automatic top-ups for convenience.

Main Highlights

THE PLAN: 6GB to use anytime within 12 months (not 6GB per month). Refill any time to reset the duration.
WHAT’S INCLUDED: A 3-in-1 SIM card with data to use across all major UK networks. The card includes standard/micro/nano sizes. This is data-only, no voice or text.
HOW IT WORKS: Insert to use straight away, register online to view data use and top-up.
WHY THIS SIM? Enjoy online access to view data consumption, add alerts and notifications when nearing your data allowance, and top-up manually or choose automatic top-ups with different data allowances available.
WHO’S THIS FOR? This non-steered SIM card connects to all networks so is great for trail cameras, CCTV, surveillance, security, movement cameras, solar energy monitoring systems and wind turbines - although it will work with most devices.
TOP-UP ANYTIME: A choice of options to add more data based on your use. Downgrade or upgrade at any time. Select automatic refill to ensure you’re always connected.

USA Prepaid SIM Card | Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) | Unlimited Calls and Texts (SMS) in United States | Refillable! (12 Days)

USA Prepaid SIM Card | Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) | Unlimited Calls and Texts (SMS) in United States | Refillable! (12 Days)

No contract or ID needed.
Unlimited 5G data.
Fits all phone sizes.

Main Highlights

USA local SIM card. Uses T-Mobile network. Good reception and signal. NO contract or ID authentication needed!
Data plan: Unlimited 5G | 4G internet Data in USA nation-wide. (Hawaii is included). Hotspot tethering is supported (3G).
Phone calls and Texts: Unlimited Calls & Texts in the US.
Validity: Valid for 12 days upon activation. Plan is refillable.
Sim Card Size: Standard/ Micro/ Nano all size tri-cut SIM. The sim card fits in any cell phone devices physically.
Activation: Activation could take up to 24 hours. Please submit the request at least 2 days in advance. Your SIM card will be activated on your scheduled date (North America Central Time Zone).
Smart phones ONLY. Samsung A series (A40, A50, A51, A70 etc.) and China brand (HUAWEI, OPPO, XIAOMI etc) & SONY are NOT fully compatible. Plus,🚨please make sure your device works on T-Mobile's network, Band 2 and Band 4, otherwise it won't be working.🚨
Weak signal strength regions: National Parks, Rural areas, Montana, North Dakota, South Dakota, Nebraska, West Virginia, Alaska.
Contact us anytime when you need assistance!

Product image 1

Product image 2

Product image 3

Product image 4

USA Prepaid SIM Card | Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) | Unlimited Calls and Texts (SMS) in United States | Refillable! (12 Days)

No contract or ID needed.
Unlimited 5G data.
Fits all phone sizes.

Main Highlights

USA local SIM card. Uses T-Mobile network. Good reception and signal. NO contract or ID authentication needed!
Data plan: Unlimited 5G | 4G internet Data in USA nation-wide. (Hawaii is included). Hotspot tethering is supported (3G).
Phone calls and Texts: Unlimited Calls & Texts in the US.
Validity: Valid for 12 days upon activation. Plan is refillable.
Sim Card Size: Standard/ Micro/ Nano all size tri-cut SIM. The sim card fits in any cell phone devices physically.
Activation: Activation could take up to 24 hours. Please submit the request at least 2 days in advance. Your SIM card will be activated on your scheduled date (North America Central Time Zone).
Smart phones ONLY. Samsung A series (A40, A50, A51, A70 etc.) and China brand (HUAWEI, OPPO, XIAOMI etc) & SONY are NOT fully compatible. Plus,🚨please make sure your device works on T-Mobile's network, Band 2 and Band 4, otherwise it won't be working.🚨
Weak signal strength regions: National Parks, Rural areas, Montana, North Dakota, South Dakota, Nebraska, West Virginia, Alaska.
Contact us anytime when you need assistance!

Vodafone SIM Card UK PREPAID PAYG £10 Bundle - 7GB + Unlimited Mins & Texts

Vodafone SIM Card UK PREPAID PAYG £10 Bundle - 7GB + Unlimited Mins & Texts

Prepaid bundle provides monthly flexibility.
Fits any unlocked phone easily.
Allows affordable international calling.

Main Highlights

QUICK & EASY SIM ACTIVATION
Bundle lasts 30 days from activation. NOTE: CREDIT WILL BE ZERO - allocated to bundle allowance (see description)
BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone network. Personal hotspot/tethering allowed
INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)

Product image 1

Product image 2

Vodafone SIM Card UK PREPAID PAYG £10 Bundle - 7GB + Unlimited Mins & Texts

Prepaid bundle provides monthly flexibility.
Fits any unlocked phone easily.
Allows affordable international calling.

Main Highlights

QUICK & EASY SIM ACTIVATION
Bundle lasts 30 days from activation. NOTE: CREDIT WILL BE ZERO - allocated to bundle allowance (see description)
BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone network. Personal hotspot/tethering allowed
INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)

Lebara Mobile SIM Card: 100GB Data Plan for £10, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Lebara Mobile SIM Card: 100GB Data Plan for £10, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

No contracts or commitments needed.
Hassle-free sign-up process.
Total control over spending.

Main Highlights

Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
Number Portability: Transfer your existing mobile number or use the included new Lebara number.
Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.

Product image 1

Product image 2

Product image 3

Product image 4

Lebara Mobile SIM Card: 100GB Data Plan for £10, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

No contracts or commitments needed.
Hassle-free sign-up process.
Total control over spending.

Main Highlights

Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
Number Portability: Transfer your existing mobile number or use the included new Lebara number.
Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.

Lebara Mobile SIM Card: Unlimited Data Plan for £12.50, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Lebara Mobile SIM Card: Unlimited Data Plan for £12.50, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Huge savings for three months.
Convenient pre-loaded plan available.
Flexibility to change anytime.

Main Highlights

Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
Number Portability: Transfer your existing mobile number or use the included new Lebara number.
Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.

Product image 1

Product image 2

Product image 3

Product image 4

Lebara Mobile SIM Card: Unlimited Data Plan for £12.50, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Huge savings for three months.
Convenient pre-loaded plan available.
Flexibility to change anytime.

Main Highlights

Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
Number Portability: Transfer your existing mobile number or use the included new Lebara number.
Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.

EE 25GB Data Sim includes £15 pre-paid credit, 25GB Data, Unlimited Minutes & Unlimited Texts

EE 25GB Data Sim includes £15 pre-paid credit, 25GB Data, Unlimited Minutes & Unlimited Texts

25GB data for 30 days.
Unlimited calls and texts.
Free 500MB Boost.

Main Highlights

25GB Data Included, lasts up to 30 days from activation
The packaging you receive may differ from the image displayed but the data you receive will be as detailed above
Roaming is not included
Free Boost - Buy 2 packs and get 2GB free
Unlimited calls and texts
If the purchased pre-paid credit is not immediately available when the sim is put into the device, please message us and include the mobile number as detailed on the back of the packaging.
To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser

Product image 1

Product image 2

Product image 3

Product image 4

EE 25GB Data Sim includes £15 pre-paid credit, 25GB Data, Unlimited Minutes & Unlimited Texts

25GB data for 30 days.
Unlimited calls and texts.
Free 500MB Boost.

Main Highlights

25GB Data Included, lasts up to 30 days from activation
The packaging you receive may differ from the image displayed but the data you receive will be as detailed above
Roaming is not included
Free Boost - Buy 2 packs and get 2GB free
Unlimited calls and texts
If the purchased pre-paid credit is not immediately available when the sim is put into the device, please message us and include the mobile number as detailed on the back of the packaging.
To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser

O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE

O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE

Automatically converts into a bundle.
Lasts for 30 days.
Easy claim instructions included.

Main Highlights

credit will be automatically converted into a bundle
the £10 will be exchanged into the bundle which lasts for 30 days
before you can use for roaming, the sim HAS to be used in the UK
have to claim the credit via the instructions enclosed in the package

Product image 1

O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE

Automatically converts into a bundle.
Lasts for 30 days.
Easy claim instructions included.

Main Highlights

credit will be automatically converted into a bundle
the £10 will be exchanged into the bundle which lasts for 30 days
before you can use for roaming, the sim HAS to be used in the UK
have to claim the credit via the instructions enclosed in the package

THREE 4G/5G SIM Card UK & ROAM FREE in over 70 destinations - PREPAID PAYG £15 Bundle - 75GB + (25GB FREE DATA) Unltd Texts & Mins - ROAMING ALLOWANCE 12GB

THREE 4G/5G SIM Card UK & ROAM FREE in over 70 destinations - PREPAID PAYG £15 Bundle - 75GB + (25GB FREE DATA) Unltd Texts & Mins - ROAMING ALLOWANCE 12GB

Generous bundled data allowances.
Wide-ranging international roaming.
Fastest UK 5G network.

Main Highlights

Quick & Easy Sim Activation - FREE 25GB PROMO – total 100GB
Bundle lasts 30 days from activation. NOTE: CREDIT WILL BE ZERO - allocated to bundle allowance
Travelling abroad - GO ROAM in over 70 destinations (includes EUROPE) - ROAMING ALLOWANCE 12GB, calls and texts to UK numbers only
UK’s fastest 5G network -Trio SIM fits any unlocked 4G and 5G device. Personal hotspot/tethering allowed
INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)

Product image 1

Product image 2

THREE 4G/5G SIM Card UK & ROAM FREE in over 70 destinations - PREPAID PAYG £15 Bundle - 75GB + (25GB FREE DATA) Unltd Texts & Mins - ROAMING ALLOWANCE 12GB

Generous bundled data allowances.
Wide-ranging international roaming.
Fastest UK 5G network.

Main Highlights

Quick & Easy Sim Activation - FREE 25GB PROMO – total 100GB
Bundle lasts 30 days from activation. NOTE: CREDIT WILL BE ZERO - allocated to bundle allowance
Travelling abroad - GO ROAM in over 70 destinations (includes EUROPE) - ROAMING ALLOWANCE 12GB, calls and texts to UK numbers only
UK’s fastest 5G network -Trio SIM fits any unlocked 4G and 5G device. Personal hotspot/tethering allowed
INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)

We scanned 1748 products

We reviewed these offers relevant to the Prepaid Sim Cards within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like EE, SIM2ROAM, Wave Connect, love 2 surf, Lebara, talk all day, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Prepaid Sim Cards in the market, we considered we took a deep dive into 8741 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts. We love many things about this product by EE. What sets it apart from the competition is Unlimited Data for 30 days. , No Roaming Hassles. , Unlimited Calls and Texts. .
The best value product for most shoppers and where user satisfaction is continuously the highest is SIM2ROAM USA Prepaid SIM Card Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) Unlimited Calls and Texts (SMS) in United States Refillable! (15 Days) by SIM2ROAM based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Prepaid Sim Cards and the best cost-to-value ratio is Wave Connect Quad Network Data Only SIM Card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked Devices (6GB | 12 Months)at Wave Connect with a 13% discount.
Our list of the best Prepaid Sim Cards is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.