Onecall SIM - Unlimited data, calls & texts for as long as you need

What about roaming on networks overseas?

Whether you’re using Vodafone or O2’s network with us, you can use your unlimited SIM anywhere in the world. Learn more here.

I’m already on Vodafone / O2, can I stay on my network?

Yep! If you’re a Vodafone or O2 customer, you can switch to our unlimited SIM while staying on your current network.

Why don’t you require a credit check?

Our subscriptions are SIM-only and paid upfront. So there’s no need for the hassle of a credit check.

Is the tethering really unlimited?

As long as you’re in the UK, yes—tether as much as you want. In the EU, tethering comes out of your monthly allowance, which is 25GB per month. Outside of the UK & Europe, you’ll need one of our roaming add-ons. We want to keep the network fair for everyone, so fair use policies apply to all tethering.

Can I keep my number?

Yes! Just contact your previous network provider or text ‘PAC’ to 65075 to get a code valid for 30 days. If you need any help doing this, let us know and we’ll walk you through the process.

What makes OneCall gigabytes better quality?

Ever notice your internet speed slowing down for no reason at all—especially when everyone gets home in the evenings? It’s because most mobile networks make you share bandwidth with other users on the network. The more people streaming music, sharing cat videos, and video calling their friends, the slower your connection. Kind of like a traffic jam. But the way we route traffic over our network is different to (better than) how other operators do it. When you use one of our unlimited SIMs, you don’t share your bandwidth with anyone. No traffic jams—you have the roads all to yourself. (If you’r

Is it really unlimited data?

Yep! Go wild. We do, however, want to make sure the network is fair for everyone. So if your usage reaches 650 GB and breaches our Fair Use policy, we’ll quickly check in with you to make sure you are aware Fair Use Policy. We can stop services if you use more than 650 GB in a consecutive period. “Unlimited” is unlimited data for a single device/user, with periodic tethering, not for use by multiple or non-consumer users. To monitor your usage, please log in to your Account, or if you need Account acces