Unlimited means Unlimited
OneCall is our SIM only revolution! Our SIMs are truly unlimited. Unlimited Calls, Texts & Data with a simple pricing plan where you have the control. Our flexible plans allow you to control your cost and with no lengthy agreements. You can choose between the award-winning networks of o2 & Vodafone, meaning, you will have 99% UK coverage and International worldwide coverage.
Unlimited data, No restrictions
Your number, Keep It
Totally flexible plans, managed by you
Powered by o2 & Vodafone networks
Frequently Asked Questions
OneCall is powered by the Vodafone & O2 networks and can connect to 3G & 4G networks across the globe.
Whilst you are in the UK tethering is unlimited. In the EU tethering comes out of your monthly allowance which is 25GB per month. Outside of the UK & Europe, you will need to add on one of our passport plans. Fair use policies apply to all tethering.
The OneCall team are available to chat online 9am to 5pm weekdays (excluding bank holidays) just click the pink icon in the bottom right of the screen. Alternatively go to our contact us page for other ways of contacting us.
They’re flexible – you can change or cancel a plan whenever you want.
A 30-day plan SIM your monthly allowances will automatically renew every 30 days and a the payment will be taken from your account by Direct Debit Credit Card or Debit Card. So there’s no need to top up, you can even pay for your Passport and Passport+.
On a 30 day bundle SIM: you still have all the benefits of our unlimited SIM but it will expire 30 days after the date you activate it. You also will not be able to make international calls / texts or use your SIM outside of the EU without adding on one of our passport plans. To upgrade to a 30 day plan SIM please contact our customer services
Terms and conditions apply to all our SIMs – You can see them here