International Calling

What is ASDA Calltime?

Asda calltime is an international calling service, powered by Boss Revolution that provides you with a simple way to call international destinations from the UK. All you have to do is call the access number from your landline or mobile and your number will be registered so you don’t need to enter a PIN each time you call.

Any phone or network

Use Asda calltime from anywhere you wish whether it be home or mobile without swapping SIMs. This service does not work from a payphone.

No hidden fees or charges

There are no tricks with Asda calltime. You don't have to worry about any hidden fees! The rate you see is the rate you will get.

No more expiration

You don't need to worry about losing your credit anymore; your minutes and credit never expire with Asda calltime.

Important information for 2020

As of 10th February 2020, ASDA will no longer offer this call time service and customers will be unable to top up cards in ASDA stores. Your service will continue with Boss Revolution and any remaining credit will be transferred as long as your number is registered.

To top up your card through Boss Revolution, you can either:

  • Download the Boss Revolution app (subject to your handset's app store)

  • Visit and top up using your credit card, debit card or e-pin (e-pins can be purchased form any pay point store)

  • Call 0330 777 1568 from the phone you’ll be making the calls from, press 1 and top up using your credit or debit card

To make a call once you've topped up, dial 0330 777 1568, then dial 00 + country code + area code + phone number then press #

For further information, please call Boss Revolution on 0330 777 1804.

All you have to do is dial our access number 0330 777 1568* and your phone number will be automatically registered so you don’t need to enter a PIN every time you call. You can share your balance with up to 10 phone numbers, landlines or mobiles, so you can share your credit with family or friends. To add more numbers call Customer Services on 0330 777 1804.
Don’t worry you don’t need an Asda calltime card to use this service. All you need to do is call 0330 777 1568 using the phone you will be making international calls from, press 1 and you can top-up your account using a credit or debit card. To make a call once you have topped up, dial 0330 777 1568, then dial 00 + country code + area code + phone number, then press #. If you need any help, please call their Customer Service Team on 0330 777 1804.


Our rates to mobile phones and landlines are incredibly low and have no fees or hidden charges. Use our rates calculator below, just enter your country and see how we can save with Asda calltime.


Contact Us

We are always here to help. If you are having problems with setting up your card or your account you can contact us using the information below: