For foreign visitors

Not a customer yet?

Whether you’re looking for a contract that fits your needs or a new device, our team will be happy to help. Find your local store or give us a call on 1270.

Already a Customer?

Download the One application to easily manage your account! Use it to check your bills, make payments, track your data or top up your plan.

Download the application

You can download the One mobile application from your own application store (App Store or Play Store).

Want to activate your Pay as you go SIM card?
The easiest way to active your Pay as you go SIM card as a non-Hungarian citizen is to visit a One store.

Store locator

Other helpful information

Contact us

New contract information

One app guide

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Billing, Payment and Top-up

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