Buy UK Sim Cards
Any UK network. Single, bulk, preloaded or eSIM. Sent anywhere.
Tell us what you need and we’ll take you straight to it.
SIM cards, top-ups and calls — all in one place
SIM cards
Preloaded SIMs
By postA UK SIM with £5 to £30 credit already on it. Put it in and call straight away.
Best for visitors and new arrivalsPhysical SIMs
By postA new, sealed pay as you go SIM for EE, O2, Three, Vodafone, giffgaff, Lebara and more.
Best for anyone who wants a UK numberAlso: bulk packs and data SIMseSIM
By emailA UK eSIM sent as a QR code. Scan it and you’re connected — no post, no waiting.
Best for phones that support eSIMTravel eSIM
By emailMobile data for your trip abroad, set up on your phone before you fly.
Best for holidays and business tripsGolden numbers
By postEasy-to-remember UK numbers — triple endings, mirrors and repeats — on a sealed SIM.
Best for businesses and memorable numbersTop-ups & calls
Direct top-up
Online, in minutesGive us any UK mobile number and we add the credit to it, usually within minutes.
Best for topping up family in the UK from anywhereLocal vouchers
By emailTop-up voucher codes for every UK network, sent to your email in minutes.
Best for topping up your own phoneInternational top-up
Online, in minutesSend mobile credit to phones in other countries — family and friends abroad.
Best for keeping in touch with homeCalling cards
By emailCheap calls home from any UK phone. Your PIN arrives by email.
Best for calling family abroadBestsellers
Two easy ways to have a UK number on arrival
Preloaded SIM, posted to you
- Credit already on the SIM
- Works the moment you put it in
- Posted worldwide by Royal Mail, UPS or DHL
eSIM, sent by email
- No plastic, no post, no waiting
- Scan the QR code and you’re connected
- Your phone must support eSIM
Order today, in your hand soon
Choose and pay
Card, PayPal or bank transfer. Your account keeps your orders and tracking.
We dispatch
SIMs go by Royal Mail, UPS or DHL. eSIMs and voucher codes are emailed.
Insert and go
Preloaded SIMs work straight away. Message us on WhatsApp if you need help.
| Where | Service | Typical time |
|---|---|---|
| United Kingdom | Royal Mail Tracked 48 / 24, Special Delivery | 1–3 working days |
| Europe | Royal Mail International Tracked & Signed, UPS, DHL | 3–7 working days |
| Rest of world | Royal Mail International Tracked & Signed, UPS, DHL | 5–10 working days |
| Anywhere | eSIM, voucher codes, direct top-up | By email |
Good to know before you order
What is a preloaded SIM?
A pay as you go SIM that already has credit on it, so you can call and text as soon as it’s in your phone.
Will an eSIM work on my phone?
Most phones from 2019 onwards support eSIM. If you’re unsure, message us your phone model before ordering.
Do you post outside the UK?
Yes, by Royal Mail International Tracked & Signed, UPS or DHL. eSIMs and vouchers arrive by email anywhere.
Why do I need an account to order?
We deliver to your address and send tracking by email. Your account keeps your details and lets you see every order.
How do I get help?
WhatsApp or Telegram is quickest. You can also email order@buyuksimcards.com.