📵 🌍No SIM needed

Call without a SIM card

Place a real call with no SIM by opening Intercalling in your browser over wifi or mobile data. It reaches any landline or mobile worldwide, with no app, no roaming and no number of your own. You simply pay per minute.

  • Call over wifi or data, no SIM required
  • No app to install and no roaming charge
  • First call free, then low per minute rates
How it works
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🌍
First call free

Low rates to 190+ destinations

Call landlines and mobiles around the world at clear per minute prices. Here are a few of the destinations our customers call most.

World map showing Intercalling international calling coverage
🇺🇸United States
🇬🇧United Kingdom
🇮🇳India
🇲🇽Mexico
🇵🇭Philippines
🇳🇬Nigeria
🇨🇦Canada
🇧🇷Brazil
🇩🇪Germany
🇫🇷France
🇵🇰Pakistan
🇨🇳China
See all destinations and rates
Person making an international call from a laptop

Cheap international calls, made simple

  • Transparent per minute pricing

    See the exact rate before you dial. No subscriptions, no hidden connection fees, and no surprises on the bill.

  • Nothing to install

    Intercalling runs in your browser on desktop or phone. No app to download, no SIM card, and no carrier contract.

  • Your credit never expires

    Top up once and call when you need to. Pay as you go and keep whatever balance you do not use.

How it works

1

Open Intercalling

Load it in your browser, nothing to install, and allow the microphone.

2

Type the number

Enter the + sign, the country code and the full number.

3

Press call

The call travels over the internet, no roaming. Your first call is free.

Call from your laptop or your phone

Intercalling works in Chrome, Safari, Edge, and Firefox. Start on your computer or your phone browser and reach any number at the same low per minute rate, all from one account.

  • No app and no SIM card
  • Works on wifi or mobile data
  • One balance across every device
Making a call from a phone and a laptop

Why people use Intercalling

Instant setup

Start calling in seconds from any browser. Nothing to install.

Pay as you go

Per minute pricing, no monthly plan, and your credit never expires.

No app, no SIM

Works in Chrome, Safari, Edge and Firefox on desktop and mobile.

Ready to make your first call?

Create an account and call from your browser in seconds. Your first call is free.

No credit card needed to try.

How to call without a SIM card in the UK

In short

You can place a real phone call without a SIM card by using Intercalling in your browser over wifi or mobile data. It connects your browser to any landline or mobile worldwide, with no app and no number of your own. The first call is free, and after that you pay only per minute.

Calling over wifi or data, no SIM needed

A SIM card is not required to make a call. Intercalling uses your internet connection and your device microphone to place a real call into the normal phone network, reaching any landline or mobile around the world, including UK numbers.

This is useful when your SIM has no signal, no credit, or when you are on a device with no SIM at all, like a laptop or a tablet. As long as you have wifi or mobile data, you can call, which makes it a reliable backup when your normal line is not available. It is also a simple way to keep calling while you wait for a new SIM to arrive or activate.

Everything runs in the browser

There is nothing to install. Open Intercalling in Chrome, Safari, Edge or Firefox, allow the microphone, type the number with its country code and press call. The whole setup takes under a minute and works the same on desktop and mobile.

Because the call travels over the internet rather than the mobile network, there is no roaming charge. The person you call simply answers their normal phone and needs nothing on their end, no app and no account of any kind. All of the setup happens on your side, in the browser, and it is the same whether you are reaching a UK landline, a UK mobile or a number in another country entirely.

When calling without a SIM helps most

Travellers often arrive somewhere with no working SIM until they buy a local one, yet still need to make a call. A tablet or laptop on hotel wifi can place that call straight away through the browser.

It also suits anyone whose phone is between contracts, waiting on a replacement SIM, or simply out of credit for international calls. The browser route sidesteps all of those problems, because it only depends on an internet connection. The same applies to a spare laptop or tablet that has never had a SIM at all, since none of the devices involved need a mobile network of their own to place a real call to a UK number.

What it costs and how to start

Your first call is free with no card required, so you can test it before committing. After that you pay per minute with no monthly plan, plus a small $0.004 connection fee, and the credit you add never expires.

You never need a number of your own to make calls. A US or Canada digital number, from roughly $2.14 to $5 a month, is only needed if you also want to receive calls. To simply make a call without a SIM, the browser and a little credit are all you need. A UK landline costs about $0.0514 per minute this way and a UK mobile about $0.0955 per minute, so even without a working SIM you can reach any UK number at a clear per minute rate, with no roaming and no surprise charges to worry about afterwards.

Frequently asked questions

Can I call without a SIM card?+

Yes. Intercalling uses your internet connection and microphone to place a real call, so you can dial any landline or mobile with no SIM at all.

Does it work over wifi?+

Yes. It works over wifi or mobile data. As long as you have an internet connection in the browser, you can make the call.

Is there a roaming charge?+

No. The call goes over the internet rather than the mobile network, so there is no roaming. You pay only the per minute rate.

Do I need to install an app?+

No. Intercalling runs in your browser on Chrome, Safari, Edge or Firefox, on desktop or mobile, with no app and no SIM.

Is the first call free?+

Yes. Your first call is free with no card required, so you can test calling without a SIM before adding any credit.

Last reviewed June 2026Reviewed by the Intercalling calling teamDialing rules cross checked against ITU international dialing procedures
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