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Warning. On 1 July Ofcom introduced regulations that changed the way consumers are charged to call 084, 087, 09 and 118 numbers.
Please be aware this means some of the prices in the Callchecker won't be accurate for a short while until we've managed to update the data.

Find the cheapest call
Slash all phone costs

How it works

Don't waste a fortune on overseas calls. This free CallChecker provides a daily list of the cheapest way to call a landline or mobile in any country. Even better, most of the providers are accessible instantly without an account or changing phone line. (See the International Calls for a full explanation.)

The CallChecker scans the cheapest providers daily to provide up-to-date call costs. Once you've found the cheapest provider for your destination, dial the override provider's access number followed by the number you want to call, remembering the international code. The price is per minute as listed, plus any connection fee your landline provider charges to connect to the override provider.

Please remember the information listed here is automatically scraped from the providers. Before calling always double check on the provider's own website. takes no responsibility for any expense caused by this data.

Save without switching

Pay a year upfront
It's often cheaper to pay a year upfront, eg, BT's Line Rental Saver is 169.90/yr upfront, which works out a 14.16/mth (usually 16.99/mth).

Put down and redial
'Unlimited' call packages are actually free only up to the first hour or so. So hang up before the deadline and redial.

Free web to web calls
You can talk to anyone worldwide for free web to web if you both have the same free software. See Free Web Calls.


Know your peak
Check when peak and off-peak is. BT and TalkTalk are 7am to 7pm not 6am to 6pm, an hour less of cheap early evening calls.

Free mobile calls via apps
If you've got a smartphone, use free apps that let you speak over the web free. Do it over WiFi to avoid huge mobile data charges.